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Finding the Fourth Proportional to 436,327.64, 602,124.13 and 242,734.40

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Solution

The fourth proportional to 436,327.64, 602,124.13 and 242,734.40 is: 334,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,327.64 : 602,124.13 = 242,734.40 : x
  2. Step 2: Convert to fraction form
    436,327.64/602,124.13 = 242,734.40/x
  3. Step 3: Cross multiply
    436,327.64x = 602,124.13 × 242,734.40
  4. Step 4: Simplify right side
    436,327.64x = 146,156,239,421.07
  5. Step 5: Solve for x
    x = 146,156,239,421.07/436,327.64
  6. Step 6: Final answer
    x = 334,969.01

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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.