Home / 316,257.04-436,440-173,018.08

Finding the Fourth Proportional to 316,257.04, 436,440 and 173,018.08

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Solution

The fourth proportional to 316,257.04, 436,440 and 173,018.08 is: 238,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,257.04 : 436,440 = 173,018.08 : x
  2. Step 2: Convert to fraction form
    316,257.04/436,440 = 173,018.08/x
  3. Step 3: Cross multiply
    316,257.04x = 436,440 × 173,018.08
  4. Step 4: Simplify right side
    316,257.04x = 75,512,010,835.20
  5. Step 5: Solve for x
    x = 75,512,010,835.20/316,257.04
  6. Step 6: Final answer
    x = 238,767.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.