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Finding the Fourth Proportional to 304,428.48, 456,686.45 and 94,082.82

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Solution

The fourth proportional to 304,428.48, 456,686.45 and 94,082.82 is: 141,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,428.48 : 456,686.45 = 94,082.82 : x
  2. Step 2: Convert to fraction form
    304,428.48/456,686.45 = 94,082.82/x
  3. Step 3: Cross multiply
    304,428.48x = 456,686.45 × 94,082.82
  4. Step 4: Simplify right side
    304,428.48x = 42,966,348,601.37
  5. Step 5: Solve for x
    x = 42,966,348,601.37/304,428.48
  6. Step 6: Final answer
    x = 141,137.74

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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.