Home / 621,278.91-931,809.02-165,875.80

Finding the Fourth Proportional to 621,278.91, 931,809.02 and 165,875.80

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Solution

The fourth proportional to 621,278.91, 931,809.02 and 165,875.80 is: 248,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,278.91 : 931,809.02 = 165,875.80 : x
  2. Step 2: Convert to fraction form
    621,278.91/931,809.02 = 165,875.80/x
  3. Step 3: Cross multiply
    621,278.91x = 931,809.02 × 165,875.80
  4. Step 4: Simplify right side
    621,278.91x = 154,564,565,227.96
  5. Step 5: Solve for x
    x = 154,564,565,227.96/621,278.91
  6. Step 6: Final answer
    x = 248,784.50

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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.