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Finding the Fourth Proportional to 340,256.10, 510,384.15 and 103,598.40

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Solution

The fourth proportional to 340,256.10, 510,384.15 and 103,598.40 is: 155,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,256.10 : 510,384.15 = 103,598.40 : x
  2. Step 2: Convert to fraction form
    340,256.10/510,384.15 = 103,598.40/x
  3. Step 3: Cross multiply
    340,256.10x = 510,384.15 × 103,598.40
  4. Step 4: Simplify right side
    340,256.10x = 52,874,981,325.36
  5. Step 5: Solve for x
    x = 52,874,981,325.36/340,256.10
  6. Step 6: Final answer
    x = 155,397.60

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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.