Home / 370,402.16-555,644.24-145,733

Finding the Fourth Proportional to 370,402.16, 555,644.24 and 145,733

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Solution

The fourth proportional to 370,402.16, 555,644.24 and 145,733 is: 218,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,402.16 : 555,644.24 = 145,733 : x
  2. Step 2: Convert to fraction form
    370,402.16/555,644.24 = 145,733/x
  3. Step 3: Cross multiply
    370,402.16x = 555,644.24 × 145,733
  4. Step 4: Simplify right side
    370,402.16x = 80,975,701,299.26
  5. Step 5: Solve for x
    x = 80,975,701,299.26/370,402.16
  6. Step 6: Final answer
    x = 218,615.63

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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.