Home / 237,894.12-328,298.40-130,457.70

Finding the Fourth Proportional to 237,894.12, 328,298.40 and 130,457.70

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Solution

The fourth proportional to 237,894.12, 328,298.40 and 130,457.70 is: 180,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,894.12 : 328,298.40 = 130,457.70 : x
  2. Step 2: Convert to fraction form
    237,894.12/328,298.40 = 130,457.70/x
  3. Step 3: Cross multiply
    237,894.12x = 328,298.40 × 130,457.70
  4. Step 4: Simplify right side
    237,894.12x = 42,829,054,177.68
  5. Step 5: Solve for x
    x = 42,829,054,177.68/237,894.12
  6. Step 6: Final answer
    x = 180,034.10

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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.