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Finding the Fourth Proportional to 545,875.58, 818,700.42 and 146,421.38

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Solution

The fourth proportional to 545,875.58, 818,700.42 and 146,421.38 is: 219,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,875.58 : 818,700.42 = 146,421.38 : x
  2. Step 2: Convert to fraction form
    545,875.58/818,700.42 = 146,421.38/x
  3. Step 3: Cross multiply
    545,875.58x = 818,700.42 × 146,421.38
  4. Step 4: Simplify right side
    545,875.58x = 119,875,245,302.98
  5. Step 5: Solve for x
    x = 119,875,245,302.98/545,875.58
  6. Step 6: Final answer
    x = 219,601.77

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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.