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Finding the Fourth Proportional to 249,371.20, 374,056.80 and 149,838.40

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Solution

The fourth proportional to 249,371.20, 374,056.80 and 149,838.40 is: 224,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,371.20 : 374,056.80 = 149,838.40 : x
  2. Step 2: Convert to fraction form
    249,371.20/374,056.80 = 149,838.40/x
  3. Step 3: Cross multiply
    249,371.20x = 374,056.80 × 149,838.40
  4. Step 4: Simplify right side
    249,371.20x = 56,048,072,421.12
  5. Step 5: Solve for x
    x = 56,048,072,421.12/249,371.20
  6. Step 6: Final answer
    x = 224,757.60

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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.