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Finding the Fourth Proportional to 370,275.22, 510,980.16 and 209,130.58

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Solution

The fourth proportional to 370,275.22, 510,980.16 and 209,130.58 is: 288,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,275.22 : 510,980.16 = 209,130.58 : x
  2. Step 2: Convert to fraction form
    370,275.22/510,980.16 = 209,130.58/x
  3. Step 3: Cross multiply
    370,275.22x = 510,980.16 × 209,130.58
  4. Step 4: Simplify right side
    370,275.22x = 106,861,577,229.29
  5. Step 5: Solve for x
    x = 106,861,577,229.29/370,275.22
  6. Step 6: Final answer
    x = 288,600.40

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1.5x scale

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.