Home / 306,632.52-423,100.23-281,828.82

Finding the Fourth Proportional to 306,632.52, 423,100.23 and 281,828.82

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Solution

The fourth proportional to 306,632.52, 423,100.23 and 281,828.82 is: 388,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,632.52 : 423,100.23 = 281,828.82 : x
  2. Step 2: Convert to fraction form
    306,632.52/423,100.23 = 281,828.82/x
  3. Step 3: Cross multiply
    306,632.52x = 423,100.23 × 281,828.82
  4. Step 4: Simplify right side
    306,632.52x = 119,241,838,562.63
  5. Step 5: Solve for x
    x = 119,241,838,562.63/306,632.52
  6. Step 6: Final answer
    x = 388,875.38

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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.