Home / 316,397.16-436,622.24-173,154.32

Finding the Fourth Proportional to 316,397.16, 436,622.24 and 173,154.32

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Solution

The fourth proportional to 316,397.16, 436,622.24 and 173,154.32 is: 238,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,397.16 : 436,622.24 = 173,154.32 : x
  2. Step 2: Convert to fraction form
    316,397.16/436,622.24 = 173,154.32/x
  3. Step 3: Cross multiply
    316,397.16x = 436,622.24 × 173,154.32
  4. Step 4: Simplify right side
    316,397.16x = 75,603,027,064.08
  5. Step 5: Solve for x
    x = 75,603,027,064.08/316,397.16
  6. Step 6: Final answer
    x = 238,949.77

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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.