Home / 432,476.13-648,437.00-179,931.81

Finding the Fourth Proportional to 432,476.13, 648,437.00 and 179,931.81

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Solution

The fourth proportional to 432,476.13, 648,437.00 and 179,931.81 is: 269,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,476.13 : 648,437.00 = 179,931.81 : x
  2. Step 2: Convert to fraction form
    432,476.13/648,437.00 = 179,931.81/x
  3. Step 3: Cross multiply
    432,476.13x = 648,437.00 × 179,931.81
  4. Step 4: Simplify right side
    432,476.13x = 116,674,442,181.31
  5. Step 5: Solve for x
    x = 116,674,442,181.31/432,476.13
  6. Step 6: Final answer
    x = 269,782.39

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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.