Home / 370,021.57-510,632.61-217,062.28

Finding the Fourth Proportional to 370,021.57, 510,632.61 and 217,062.28

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Solution

The fourth proportional to 370,021.57, 510,632.61 and 217,062.28 is: 299,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,021.57 : 510,632.61 = 217,062.28 : x
  2. Step 2: Convert to fraction form
    370,021.57/510,632.61 = 217,062.28/x
  3. Step 3: Cross multiply
    370,021.57x = 510,632.61 × 217,062.28
  4. Step 4: Simplify right side
    370,021.57x = 110,839,078,568.95
  5. Step 5: Solve for x
    x = 110,839,078,568.95/370,021.57
  6. Step 6: Final answer
    x = 299,547.61

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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.