Home / 371,214.08-512,275.16-210,066.20

Finding the Fourth Proportional to 371,214.08, 512,275.16 and 210,066.20

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Solution

The fourth proportional to 371,214.08, 512,275.16 and 210,066.20 is: 289,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,214.08 : 512,275.16 = 210,066.20 : x
  2. Step 2: Convert to fraction form
    371,214.08/512,275.16 = 210,066.20/x
  3. Step 3: Cross multiply
    371,214.08x = 512,275.16 × 210,066.20
  4. Step 4: Simplify right side
    371,214.08x = 107,611,696,215.59
  5. Step 5: Solve for x
    x = 107,611,696,215.59/371,214.08
  6. Step 6: Final answer
    x = 289,891.20

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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.