Home / 282,441.04-389,771.71-155,116.63

Finding the Fourth Proportional to 282,441.04, 389,771.71 and 155,116.63

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Solution

The fourth proportional to 282,441.04, 389,771.71 and 155,116.63 is: 214,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,441.04 : 389,771.71 = 155,116.63 : x
  2. Step 2: Convert to fraction form
    282,441.04/389,771.71 = 155,116.63/x
  3. Step 3: Cross multiply
    282,441.04x = 389,771.71 × 155,116.63
  4. Step 4: Simplify right side
    282,441.04x = 60,460,074,124.54
  5. Step 5: Solve for x
    x = 60,460,074,124.54/282,441.04
  6. Step 6: Final answer
    x = 214,062.64

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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.