Home / 385,554.23-532,066.65-215,821.16

Finding the Fourth Proportional to 385,554.23, 532,066.65 and 215,821.16

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Solution

The fourth proportional to 385,554.23, 532,066.65 and 215,821.16 is: 297,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,554.23 : 532,066.65 = 215,821.16 : x
  2. Step 2: Convert to fraction form
    385,554.23/532,066.65 = 215,821.16/x
  3. Step 3: Cross multiply
    385,554.23x = 532,066.65 × 215,821.16
  4. Step 4: Simplify right side
    385,554.23x = 114,831,237,860.88
  5. Step 5: Solve for x
    x = 114,831,237,860.88/385,554.23
  6. Step 6: Final answer
    x = 297,834.21

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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.