Home / 448,973.60-619,689.62-258,097.72

Finding the Fourth Proportional to 448,973.60, 619,689.62 and 258,097.72

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Solution

The fourth proportional to 448,973.60, 619,689.62 and 258,097.72 is: 356,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,973.60 : 619,689.62 = 258,097.72 : x
  2. Step 2: Convert to fraction form
    448,973.60/619,689.62 = 258,097.72/x
  3. Step 3: Cross multiply
    448,973.60x = 619,689.62 × 258,097.72
  4. Step 4: Simplify right side
    448,973.60x = 159,940,478,029.67
  5. Step 5: Solve for x
    x = 159,940,478,029.67/448,973.60
  6. Step 6: Final answer
    x = 356,235.82

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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.