Home / 401,189.15-602,533.23-353,174.78

Finding the Fourth Proportional to 401,189.15, 602,533.23 and 353,174.78

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Solution

The fourth proportional to 401,189.15, 602,533.23 and 353,174.78 is: 530,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,189.15 : 602,533.23 = 353,174.78 : x
  2. Step 2: Convert to fraction form
    401,189.15/602,533.23 = 353,174.78/x
  3. Step 3: Cross multiply
    401,189.15x = 602,533.23 × 353,174.78
  4. Step 4: Simplify right side
    401,189.15x = 212,799,536,169.40
  5. Step 5: Solve for x
    x = 212,799,536,169.40/401,189.15
  6. Step 6: Final answer
    x = 530,421.97

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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.