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Finding the Fourth Proportional to 304,429.06, 420,133.14 and 168,468.70

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Solution

The fourth proportional to 304,429.06, 420,133.14 and 168,468.70 is: 232,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,429.06 : 420,133.14 = 168,468.70 : x
  2. Step 2: Convert to fraction form
    304,429.06/420,133.14 = 168,468.70/x
  3. Step 3: Cross multiply
    304,429.06x = 420,133.14 × 168,468.70
  4. Step 4: Simplify right side
    304,429.06x = 70,779,283,922.72
  5. Step 5: Solve for x
    x = 70,779,283,922.72/304,429.06
  6. Step 6: Final answer
    x = 232,498.45

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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.