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Finding the Fourth Proportional to 439,445.80, 659,460.30 and 249,905.80

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Solution

The fourth proportional to 439,445.80, 659,460.30 and 249,905.80 is: 375,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,445.80 : 659,460.30 = 249,905.80 : x
  2. Step 2: Convert to fraction form
    439,445.80/659,460.30 = 249,905.80/x
  3. Step 3: Cross multiply
    439,445.80x = 659,460.30 × 249,905.80
  4. Step 4: Simplify right side
    439,445.80x = 164,802,953,839.74
  5. Step 5: Solve for x
    x = 164,802,953,839.74/439,445.80
  6. Step 6: Final answer
    x = 375,024.53

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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.