Home / 371,925.20-513,246.63-210,795.21

Finding the Fourth Proportional to 371,925.20, 513,246.63 and 210,795.21

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Solution

The fourth proportional to 371,925.20, 513,246.63 and 210,795.21 is: 290,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,925.20 : 513,246.63 = 210,795.21 : x
  2. Step 2: Convert to fraction form
    371,925.20/513,246.63 = 210,795.21/x
  3. Step 3: Cross multiply
    371,925.20x = 513,246.63 × 210,795.21
  4. Step 4: Simplify right side
    371,925.20x = 108,189,931,152.64
  5. Step 5: Solve for x
    x = 108,189,931,152.64/371,925.20
  6. Step 6: Final answer
    x = 290,891.64

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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.