Home / 434,814.40-652,221.60-154,295.20

Finding the Fourth Proportional to 434,814.40, 652,221.60 and 154,295.20

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Solution

The fourth proportional to 434,814.40, 652,221.60 and 154,295.20 is: 231,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,814.40 : 652,221.60 = 154,295.20 : x
  2. Step 2: Convert to fraction form
    434,814.40/652,221.60 = 154,295.20/x
  3. Step 3: Cross multiply
    434,814.40x = 652,221.60 × 154,295.20
  4. Step 4: Simplify right side
    434,814.40x = 100,634,662,216.32
  5. Step 5: Solve for x
    x = 100,634,662,216.32/434,814.40
  6. Step 6: Final answer
    x = 231,442.80

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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.