Home / 320,860.32-442,792.48-175,663.67

Finding the Fourth Proportional to 320,860.32, 442,792.48 and 175,663.67

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Solution

The fourth proportional to 320,860.32, 442,792.48 and 175,663.67 is: 242,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,860.32 : 442,792.48 = 175,663.67 : x
  2. Step 2: Convert to fraction form
    320,860.32/442,792.48 = 175,663.67/x
  3. Step 3: Cross multiply
    320,860.32x = 442,792.48 × 175,663.67
  4. Step 4: Simplify right side
    320,860.32x = 77,782,552,753.02
  5. Step 5: Solve for x
    x = 77,782,552,753.02/320,860.32
  6. Step 6: Final answer
    x = 242,418.73

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1.5x scale

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.