Home / 386,733.07-533,746.02-225,675.10

Finding the Fourth Proportional to 386,733.07, 533,746.02 and 225,675.10

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Solution

The fourth proportional to 386,733.07, 533,746.02 and 225,675.10 is: 311,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,733.07 : 533,746.02 = 225,675.10 : x
  2. Step 2: Convert to fraction form
    386,733.07/533,746.02 = 225,675.10/x
  3. Step 3: Cross multiply
    386,733.07x = 533,746.02 × 225,675.10
  4. Step 4: Simplify right side
    386,733.07x = 120,453,186,438.10
  5. Step 5: Solve for x
    x = 120,453,186,438.10/386,733.07
  6. Step 6: Final answer
    x = 311,463.37

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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.