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Finding the Fourth Proportional to 319,980.58, 480,233.22 and 162,254.14

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Solution

The fourth proportional to 319,980.58, 480,233.22 and 162,254.14 is: 243,514.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,980.58 : 480,233.22 = 162,254.14 : x
  2. Step 2: Convert to fraction form
    319,980.58/480,233.22 = 162,254.14/x
  3. Step 3: Cross multiply
    319,980.58x = 480,233.22 × 162,254.14
  4. Step 4: Simplify right side
    319,980.58x = 77,919,828,110.53
  5. Step 5: Solve for x
    x = 77,919,828,110.53/319,980.58
  6. Step 6: Final answer
    x = 243,514.24

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1.5x scale

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.