Home / 377,525.16-520,988.40-207,763.20

Finding the Fourth Proportional to 377,525.16, 520,988.40 and 207,763.20

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Solution

The fourth proportional to 377,525.16, 520,988.40 and 207,763.20 is: 286,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,525.16 : 520,988.40 = 207,763.20 : x
  2. Step 2: Convert to fraction form
    377,525.16/520,988.40 = 207,763.20/x
  3. Step 3: Cross multiply
    377,525.16x = 520,988.40 × 207,763.20
  4. Step 4: Simplify right side
    377,525.16x = 108,242,217,146.88
  5. Step 5: Solve for x
    x = 108,242,217,146.88/377,525.16
  6. Step 6: Final answer
    x = 286,715.24

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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.