Home / 423,270.24-634,903.61-153,335.18

Finding the Fourth Proportional to 423,270.24, 634,903.61 and 153,335.18

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Solution

The fourth proportional to 423,270.24, 634,903.61 and 153,335.18 is: 230,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,270.24 : 634,903.61 = 153,335.18 : x
  2. Step 2: Convert to fraction form
    423,270.24/634,903.61 = 153,335.18/x
  3. Step 3: Cross multiply
    423,270.24x = 634,903.61 × 153,335.18
  4. Step 4: Simplify right side
    423,270.24x = 97,353,055,380.81
  5. Step 5: Solve for x
    x = 97,353,055,380.81/423,270.24
  6. Step 6: Final answer
    x = 230,002.13

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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.