Home / 421,925.07-632,789.16-122,325.24

Finding the Fourth Proportional to 421,925.07, 632,789.16 and 122,325.24

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Solution

The fourth proportional to 421,925.07, 632,789.16 and 122,325.24 is: 183,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,925.07 : 632,789.16 = 122,325.24 : x
  2. Step 2: Convert to fraction form
    421,925.07/632,789.16 = 122,325.24/x
  3. Step 3: Cross multiply
    421,925.07x = 632,789.16 × 122,325.24
  4. Step 4: Simplify right side
    421,925.07x = 77,406,085,866.40
  5. Step 5: Solve for x
    x = 77,406,085,866.40/421,925.07
  6. Step 6: Final answer
    x = 183,459.32

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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.