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Finding the Fourth Proportional to 304,465.07, 420,162.57 and 168,508.37

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Solution

The fourth proportional to 304,465.07, 420,162.57 and 168,508.37 is: 232,541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,465.07 : 420,162.57 = 168,508.37 : x
  2. Step 2: Convert to fraction form
    304,465.07/420,162.57 = 168,508.37/x
  3. Step 3: Cross multiply
    304,465.07x = 420,162.57 × 168,508.37
  4. Step 4: Simplify right side
    304,465.07x = 70,800,909,805.71
  5. Step 5: Solve for x
    x = 70,800,909,805.71/304,465.07
  6. Step 6: Final answer
    x = 232,541.98

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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.