Home / 304,444.18-420,133.78-168,487.50

Finding the Fourth Proportional to 304,444.18, 420,133.78 and 168,487.50

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Solution

The fourth proportional to 304,444.18, 420,133.78 and 168,487.50 is: 232,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,444.18 : 420,133.78 = 168,487.50 : x
  2. Step 2: Convert to fraction form
    304,444.18/420,133.78 = 168,487.50/x
  3. Step 3: Cross multiply
    304,444.18x = 420,133.78 × 168,487.50
  4. Step 4: Simplify right side
    304,444.18x = 70,787,290,257.75
  5. Step 5: Solve for x
    x = 70,787,290,257.75/304,444.18
  6. Step 6: Final answer
    x = 232,513.20

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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.