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Finding the Fourth Proportional to 357,032.58, 535,552.34 and 90,793.10

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Solution

The fourth proportional to 357,032.58, 535,552.34 and 90,793.10 is: 136,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,032.58 : 535,552.34 = 90,793.10 : x
  2. Step 2: Convert to fraction form
    357,032.58/535,552.34 = 90,793.10/x
  3. Step 3: Cross multiply
    357,032.58x = 535,552.34 × 90,793.10
  4. Step 4: Simplify right side
    357,032.58x = 48,624,454,029.13
  5. Step 5: Solve for x
    x = 48,624,454,029.13/357,032.58
  6. Step 6: Final answer
    x = 136,190.52

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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.