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Finding the Fourth Proportional to 572,554.80, 858,861.76 and 146,094.36

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Solution

The fourth proportional to 572,554.80, 858,861.76 and 146,094.36 is: 219,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,554.80 : 858,861.76 = 146,094.36 : x
  2. Step 2: Convert to fraction form
    572,554.80/858,861.76 = 146,094.36/x
  3. Step 3: Cross multiply
    572,554.80x = 858,861.76 × 146,094.36
  4. Step 4: Simplify right side
    572,554.80x = 125,474,857,848.29
  5. Step 5: Solve for x
    x = 125,474,857,848.29/572,554.80
  6. Step 6: Final answer
    x = 219,149.08

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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.