Home / 219,269.13-328,875.98-69,510.89

Finding the Fourth Proportional to 219,269.13, 328,875.98 and 69,510.89

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Solution

The fourth proportional to 219,269.13, 328,875.98 and 69,510.89 is: 104,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,269.13 : 328,875.98 = 69,510.89 : x
  2. Step 2: Convert to fraction form
    219,269.13/328,875.98 = 69,510.89/x
  3. Step 3: Cross multiply
    219,269.13x = 328,875.98 × 69,510.89
  4. Step 4: Simplify right side
    219,269.13x = 22,860,462,069.42
  5. Step 5: Solve for x
    x = 22,860,462,069.42/219,269.13
  6. Step 6: Final answer
    x = 104,257.55

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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.