Home / 251,875.10-377,812.65-219,070.10

Finding the Fourth Proportional to 251,875.10, 377,812.65 and 219,070.10

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Solution

The fourth proportional to 251,875.10, 377,812.65 and 219,070.10 is: 328,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,875.10 : 377,812.65 = 219,070.10 : x
  2. Step 2: Convert to fraction form
    251,875.10/377,812.65 = 219,070.10/x
  3. Step 3: Cross multiply
    251,875.10x = 377,812.65 × 219,070.10
  4. Step 4: Simplify right side
    251,875.10x = 82,767,455,016.77
  5. Step 5: Solve for x
    x = 82,767,455,016.77/251,875.10
  6. Step 6: Final answer
    x = 328,605.15

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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.