Home / 319,154.48-478,626.32-105,873.36

Finding the Fourth Proportional to 319,154.48, 478,626.32 and 105,873.36

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Solution

The fourth proportional to 319,154.48, 478,626.32 and 105,873.36 is: 158,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,154.48 : 478,626.32 = 105,873.36 : x
  2. Step 2: Convert to fraction form
    319,154.48/478,626.32 = 105,873.36/x
  3. Step 3: Cross multiply
    319,154.48x = 478,626.32 × 105,873.36
  4. Step 4: Simplify right side
    319,154.48x = 50,673,776,682.84
  5. Step 5: Solve for x
    x = 50,673,776,682.84/319,154.48
  6. Step 6: Final answer
    x = 158,775.08

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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.