Home / 247,777.56-341,904-145,780.58

Finding the Fourth Proportional to 247,777.56, 341,904 and 145,780.58

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Solution

The fourth proportional to 247,777.56, 341,904 and 145,780.58 is: 201,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,777.56 : 341,904 = 145,780.58 : x
  2. Step 2: Convert to fraction form
    247,777.56/341,904 = 145,780.58/x
  3. Step 3: Cross multiply
    247,777.56x = 341,904 × 145,780.58
  4. Step 4: Simplify right side
    247,777.56x = 49,842,963,424.32
  5. Step 5: Solve for x
    x = 49,842,963,424.32/247,777.56
  6. Step 6: Final answer
    x = 201,160.12

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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.