Home / 291,264.90-436,897.35-172,875.30

Finding the Fourth Proportional to 291,264.90, 436,897.35 and 172,875.30

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Solution

The fourth proportional to 291,264.90, 436,897.35 and 172,875.30 is: 259,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,264.90 : 436,897.35 = 172,875.30 : x
  2. Step 2: Convert to fraction form
    291,264.90/436,897.35 = 172,875.30/x
  3. Step 3: Cross multiply
    291,264.90x = 436,897.35 × 172,875.30
  4. Step 4: Simplify right side
    291,264.90x = 75,528,760,450.46
  5. Step 5: Solve for x
    x = 75,528,760,450.46/291,264.90
  6. Step 6: Final answer
    x = 259,312.95

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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.