Home / 282,445.92-389,776.32-155,118.24

Finding the Fourth Proportional to 282,445.92, 389,776.32 and 155,118.24

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Solution

The fourth proportional to 282,445.92, 389,776.32 and 155,118.24 is: 214,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,445.92 : 389,776.32 = 155,118.24 : x
  2. Step 2: Convert to fraction form
    282,445.92/389,776.32 = 155,118.24/x
  3. Step 3: Cross multiply
    282,445.92x = 389,776.32 × 155,118.24
  4. Step 4: Simplify right side
    282,445.92x = 60,461,416,752.08
  5. Step 5: Solve for x
    x = 60,461,416,752.08/282,445.92
  6. Step 6: Final answer
    x = 214,063.69

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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.