Home / 302,237.20-452,837.40-144,125.20

Finding the Fourth Proportional to 302,237.20, 452,837.40 and 144,125.20

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Solution

The fourth proportional to 302,237.20, 452,837.40 and 144,125.20 is: 215,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,237.20 : 452,837.40 = 144,125.20 : x
  2. Step 2: Convert to fraction form
    302,237.20/452,837.40 = 144,125.20/x
  3. Step 3: Cross multiply
    302,237.20x = 452,837.40 × 144,125.20
  4. Step 4: Simplify right side
    302,237.20x = 65,265,280,842.48
  5. Step 5: Solve for x
    x = 65,265,280,842.48/302,237.20
  6. Step 6: Final answer
    x = 215,940.60

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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.