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Finding the Fourth Proportional to 616,235.65, 923,762.98 and 260,760.67

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Solution

The fourth proportional to 616,235.65, 923,762.98 and 260,760.67 is: 390,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,235.65 : 923,762.98 = 260,760.67 : x
  2. Step 2: Convert to fraction form
    616,235.65/923,762.98 = 260,760.67/x
  3. Step 3: Cross multiply
    616,235.65x = 923,762.98 × 260,760.67
  4. Step 4: Simplify right side
    616,235.65x = 240,881,053,586.00
  5. Step 5: Solve for x
    x = 240,881,053,586.00/616,235.65
  6. Step 6: Final answer
    x = 390,891.14

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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.