Home / 385,929.90-532,577.43-216,170.10

Finding the Fourth Proportional to 385,929.90, 532,577.43 and 216,170.10

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Solution

The fourth proportional to 385,929.90, 532,577.43 and 216,170.10 is: 298,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,929.90 : 532,577.43 = 216,170.10 : x
  2. Step 2: Convert to fraction form
    385,929.90/532,577.43 = 216,170.10/x
  3. Step 3: Cross multiply
    385,929.90x = 532,577.43 × 216,170.10
  4. Step 4: Simplify right side
    385,929.90x = 115,127,316,300.84
  5. Step 5: Solve for x
    x = 115,127,316,300.84/385,929.90
  6. Step 6: Final answer
    x = 298,311.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.