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Finding the Fourth Proportional to 379,844, 569,555.68 and 155,362.08

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Solution

The fourth proportional to 379,844, 569,555.68 and 155,362.08 is: 232,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,844 : 569,555.68 = 155,362.08 : x
  2. Step 2: Convert to fraction form
    379,844/569,555.68 = 155,362.08/x
  3. Step 3: Cross multiply
    379,844x = 569,555.68 × 155,362.08
  4. Step 4: Simplify right side
    379,844x = 88,487,355,120.61
  5. Step 5: Solve for x
    x = 88,487,355,120.61/379,844
  6. Step 6: Final answer
    x = 232,957.10

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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.