Home / 217,000.05-299,182.46-148,898.76

Finding the Fourth Proportional to 217,000.05, 299,182.46 and 148,898.76

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Solution

The fourth proportional to 217,000.05, 299,182.46 and 148,898.76 is: 205,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,000.05 : 299,182.46 = 148,898.76 : x
  2. Step 2: Convert to fraction form
    217,000.05/299,182.46 = 148,898.76/x
  3. Step 3: Cross multiply
    217,000.05x = 299,182.46 × 148,898.76
  4. Step 4: Simplify right side
    217,000.05x = 44,547,897,307.75
  5. Step 5: Solve for x
    x = 44,547,897,307.75/217,000.05
  6. Step 6: Final answer
    x = 205,289.80

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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.