Home / 462,434.40-693,653.76-146,923.20

Finding the Fourth Proportional to 462,434.40, 693,653.76 and 146,923.20

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Solution

The fourth proportional to 462,434.40, 693,653.76 and 146,923.20 is: 220,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,434.40 : 693,653.76 = 146,923.20 : x
  2. Step 2: Convert to fraction form
    462,434.40/693,653.76 = 146,923.20/x
  3. Step 3: Cross multiply
    462,434.40x = 693,653.76 × 146,923.20
  4. Step 4: Simplify right side
    462,434.40x = 101,913,830,111.23
  5. Step 5: Solve for x
    x = 101,913,830,111.23/462,434.40
  6. Step 6: Final answer
    x = 220,385.49

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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.