Home / 388,285.34-535,869.95-227,130.17

Finding the Fourth Proportional to 388,285.34, 535,869.95 and 227,130.17

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Solution

The fourth proportional to 388,285.34, 535,869.95 and 227,130.17 is: 313,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,285.34 : 535,869.95 = 227,130.17 : x
  2. Step 2: Convert to fraction form
    388,285.34/535,869.95 = 227,130.17/x
  3. Step 3: Cross multiply
    388,285.34x = 535,869.95 × 227,130.17
  4. Step 4: Simplify right side
    388,285.34x = 121,712,229,026.39
  5. Step 5: Solve for x
    x = 121,712,229,026.39/388,285.34
  6. Step 6: Final answer
    x = 313,460.79

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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.