Home / 304,665.40-457,127.70-146,812.60

Finding the Fourth Proportional to 304,665.40, 457,127.70 and 146,812.60

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Solution

The fourth proportional to 304,665.40, 457,127.70 and 146,812.60 is: 220,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,665.40 : 457,127.70 = 146,812.60 : x
  2. Step 2: Convert to fraction form
    304,665.40/457,127.70 = 146,812.60/x
  3. Step 3: Cross multiply
    304,665.40x = 457,127.70 × 146,812.60
  4. Step 4: Simplify right side
    304,665.40x = 67,112,106,169.02
  5. Step 5: Solve for x
    x = 67,112,106,169.02/304,665.40
  6. Step 6: Final answer
    x = 220,281.35

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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.