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Finding the Fourth Proportional to 346,656.08, 478,384.68 and 195,753.20

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Solution

The fourth proportional to 346,656.08, 478,384.68 and 195,753.20 is: 270,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,656.08 : 478,384.68 = 195,753.20 : x
  2. Step 2: Convert to fraction form
    346,656.08/478,384.68 = 195,753.20/x
  3. Step 3: Cross multiply
    346,656.08x = 478,384.68 × 195,753.20
  4. Step 4: Simplify right side
    346,656.08x = 93,645,331,940.98
  5. Step 5: Solve for x
    x = 93,645,331,940.98/346,656.08
  6. Step 6: Final answer
    x = 270,139.01

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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.