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Finding the Fourth Proportional to 249,503.55, 344,315.07 and 134,782.17

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Solution

The fourth proportional to 249,503.55, 344,315.07 and 134,782.17 is: 185,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,503.55 : 344,315.07 = 134,782.17 : x
  2. Step 2: Convert to fraction form
    249,503.55/344,315.07 = 134,782.17/x
  3. Step 3: Cross multiply
    249,503.55x = 344,315.07 × 134,782.17
  4. Step 4: Simplify right side
    249,503.55x = 46,407,532,298.30
  5. Step 5: Solve for x
    x = 46,407,532,298.30/249,503.55
  6. Step 6: Final answer
    x = 185,999.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.