Home / 448,957.32-619,667.15-258,081.45

Finding the Fourth Proportional to 448,957.32, 619,667.15 and 258,081.45

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Solution

The fourth proportional to 448,957.32, 619,667.15 and 258,081.45 is: 356,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,957.32 : 619,667.15 = 258,081.45 : x
  2. Step 2: Convert to fraction form
    448,957.32/619,667.15 = 258,081.45/x
  3. Step 3: Cross multiply
    448,957.32x = 619,667.15 × 258,081.45
  4. Step 4: Simplify right side
    448,957.32x = 159,924,595,298.96
  5. Step 5: Solve for x
    x = 159,924,595,298.96/448,957.32
  6. Step 6: Final answer
    x = 356,213.36

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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.