Home / 290,173.13-435,499.55-148,123.36

Finding the Fourth Proportional to 290,173.13, 435,499.55 and 148,123.36

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Solution

The fourth proportional to 290,173.13, 435,499.55 and 148,123.36 is: 222,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,173.13 : 435,499.55 = 148,123.36 : x
  2. Step 2: Convert to fraction form
    290,173.13/435,499.55 = 148,123.36/x
  3. Step 3: Cross multiply
    290,173.13x = 435,499.55 × 148,123.36
  4. Step 4: Simplify right side
    290,173.13x = 64,507,656,624.49
  5. Step 5: Solve for x
    x = 64,507,656,624.49/290,173.13
  6. Step 6: Final answer
    x = 222,307.48

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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.