Home / 249,619.10-374,428.65-155,140.70

Finding the Fourth Proportional to 249,619.10, 374,428.65 and 155,140.70

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Solution

The fourth proportional to 249,619.10, 374,428.65 and 155,140.70 is: 232,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,619.10 : 374,428.65 = 155,140.70 : x
  2. Step 2: Convert to fraction form
    249,619.10/374,428.65 = 155,140.70/x
  3. Step 3: Cross multiply
    249,619.10x = 374,428.65 × 155,140.70
  4. Step 4: Simplify right side
    249,619.10x = 58,089,122,861.06
  5. Step 5: Solve for x
    x = 58,089,122,861.06/249,619.10
  6. Step 6: Final answer
    x = 232,711.05

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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.