Home / 320,547.49-442,327.98-177,271.87

Finding the Fourth Proportional to 320,547.49, 442,327.98 and 177,271.87

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Solution

The fourth proportional to 320,547.49, 442,327.98 and 177,271.87 is: 244,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,547.49 : 442,327.98 = 177,271.87 : x
  2. Step 2: Convert to fraction form
    320,547.49/442,327.98 = 177,271.87/x
  3. Step 3: Cross multiply
    320,547.49x = 442,327.98 × 177,271.87
  4. Step 4: Simplify right side
    320,547.49x = 78,412,308,167.92
  5. Step 5: Solve for x
    x = 78,412,308,167.92/320,547.49
  6. Step 6: Final answer
    x = 244,619.94

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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.