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Finding the Fourth Proportional to 302,990.70, 453,825.09 and 249,802.86

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Solution

The fourth proportional to 302,990.70, 453,825.09 and 249,802.86 is: 374,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,990.70 : 453,825.09 = 249,802.86 : x
  2. Step 2: Convert to fraction form
    302,990.70/453,825.09 = 249,802.86/x
  3. Step 3: Cross multiply
    302,990.70x = 453,825.09 × 249,802.86
  4. Step 4: Simplify right side
    302,990.70x = 113,366,805,421.76
  5. Step 5: Solve for x
    x = 113,366,805,421.76/302,990.70
  6. Step 6: Final answer
    x = 374,159.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.