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Finding the Fourth Proportional to 478,864.10, 718,195.35 and 241,984.10

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Solution

The fourth proportional to 478,864.10, 718,195.35 and 241,984.10 is: 362,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,864.10 : 718,195.35 = 241,984.10 : x
  2. Step 2: Convert to fraction form
    478,864.10/718,195.35 = 241,984.10/x
  3. Step 3: Cross multiply
    478,864.10x = 718,195.35 × 241,984.10
  4. Step 4: Simplify right side
    478,864.10x = 173,791,855,393.94
  5. Step 5: Solve for x
    x = 173,791,855,393.94/478,864.10
  6. Step 6: Final answer
    x = 362,925.21

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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.