Home / 320,670.85-442,518.96-175,476.06

Finding the Fourth Proportional to 320,670.85, 442,518.96 and 175,476.06

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Solution

The fourth proportional to 320,670.85, 442,518.96 and 175,476.06 is: 242,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,670.85 : 442,518.96 = 175,476.06 : x
  2. Step 2: Convert to fraction form
    320,670.85/442,518.96 = 175,476.06/x
  3. Step 3: Cross multiply
    320,670.85x = 442,518.96 × 175,476.06
  4. Step 4: Simplify right side
    320,670.85x = 77,651,480,886.68
  5. Step 5: Solve for x
    x = 77,651,480,886.68/320,670.85
  6. Step 6: Final answer
    x = 242,153.22

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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.