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Finding the Fourth Proportional to 342,001.40, 513,002.10 and 302,635.40

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Solution

The fourth proportional to 342,001.40, 513,002.10 and 302,635.40 is: 453,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,001.40 : 513,002.10 = 302,635.40 : x
  2. Step 2: Convert to fraction form
    342,001.40/513,002.10 = 302,635.40/x
  3. Step 3: Cross multiply
    342,001.40x = 513,002.10 × 302,635.40
  4. Step 4: Simplify right side
    342,001.40x = 155,252,595,734.34
  5. Step 5: Solve for x
    x = 155,252,595,734.34/342,001.40
  6. Step 6: Final answer
    x = 453,953.10

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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.