Home / 628,473.62-942,712.35-155,159.03

Finding the Fourth Proportional to 628,473.62, 942,712.35 and 155,159.03

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Solution

The fourth proportional to 628,473.62, 942,712.35 and 155,159.03 is: 232,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,473.62 : 942,712.35 = 155,159.03 : x
  2. Step 2: Convert to fraction form
    628,473.62/942,712.35 = 155,159.03/x
  3. Step 3: Cross multiply
    628,473.62x = 942,712.35 × 155,159.03
  4. Step 4: Simplify right side
    628,473.62x = 146,270,329,081.46
  5. Step 5: Solve for x
    x = 146,270,329,081.46/628,473.62
  6. Step 6: Final answer
    x = 232,739.01

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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.