Home / 319,003.32-478,053.60-176,911.09

Finding the Fourth Proportional to 319,003.32, 478,053.60 and 176,911.09

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Solution

The fourth proportional to 319,003.32, 478,053.60 and 176,911.09 is: 265,116.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,003.32 : 478,053.60 = 176,911.09 : x
  2. Step 2: Convert to fraction form
    319,003.32/478,053.60 = 176,911.09/x
  3. Step 3: Cross multiply
    319,003.32x = 478,053.60 × 176,911.09
  4. Step 4: Simplify right side
    319,003.32x = 84,572,983,454.42
  5. Step 5: Solve for x
    x = 84,572,983,454.42/319,003.32
  6. Step 6: Final answer
    x = 265,116.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.