Home / 261,030.90-392,381.55-242,541.30

Finding the Fourth Proportional to 261,030.90, 392,381.55 and 242,541.30

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Solution

The fourth proportional to 261,030.90, 392,381.55 and 242,541.30 is: 364,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,030.90 : 392,381.55 = 242,541.30 : x
  2. Step 2: Convert to fraction form
    261,030.90/392,381.55 = 242,541.30/x
  3. Step 3: Cross multiply
    261,030.90x = 392,381.55 × 242,541.30
  4. Step 4: Simplify right side
    261,030.90x = 95,168,731,233.02
  5. Step 5: Solve for x
    x = 95,168,731,233.02/261,030.90
  6. Step 6: Final answer
    x = 364,587.99

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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.