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Finding the Fourth Proportional to 608,030.15, 912,082.83 and 203,258.78

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Solution

The fourth proportional to 608,030.15, 912,082.83 and 203,258.78 is: 304,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,030.15 : 912,082.83 = 203,258.78 : x
  2. Step 2: Convert to fraction form
    608,030.15/912,082.83 = 203,258.78/x
  3. Step 3: Cross multiply
    608,030.15x = 912,082.83 × 203,258.78
  4. Step 4: Simplify right side
    608,030.15x = 185,388,838,724.33
  5. Step 5: Solve for x
    x = 185,388,838,724.33/608,030.15
  6. Step 6: Final answer
    x = 304,900.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.