Home / 218,417.13-301,508.64-146,838.67

Finding the Fourth Proportional to 218,417.13, 301,508.64 and 146,838.67

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Solution

The fourth proportional to 218,417.13, 301,508.64 and 146,838.67 is: 202,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,417.13 : 301,508.64 = 146,838.67 : x
  2. Step 2: Convert to fraction form
    218,417.13/301,508.64 = 146,838.67/x
  3. Step 3: Cross multiply
    218,417.13x = 301,508.64 × 146,838.67
  4. Step 4: Simplify right side
    218,417.13x = 44,273,127,691.11
  5. Step 5: Solve for x
    x = 44,273,127,691.11/218,417.13
  6. Step 6: Final answer
    x = 202,699.89

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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.