Home / 229,317.21-316,455.57-127,340.13

Finding the Fourth Proportional to 229,317.21, 316,455.57 and 127,340.13

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Solution

The fourth proportional to 229,317.21, 316,455.57 and 127,340.13 is: 175,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,317.21 : 316,455.57 = 127,340.13 : x
  2. Step 2: Convert to fraction form
    229,317.21/316,455.57 = 127,340.13/x
  3. Step 3: Cross multiply
    229,317.21x = 316,455.57 × 127,340.13
  4. Step 4: Simplify right side
    229,317.21x = 40,297,493,423.02
  5. Step 5: Solve for x
    x = 40,297,493,423.02/229,317.21
  6. Step 6: Final answer
    x = 175,728.17

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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.