Home / 282,554.14-389,924.85-155,237.92

Finding the Fourth Proportional to 282,554.14, 389,924.85 and 155,237.92

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Solution

The fourth proportional to 282,554.14, 389,924.85 and 155,237.92 is: 214,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,554.14 : 389,924.85 = 155,237.92 : x
  2. Step 2: Convert to fraction form
    282,554.14/389,924.85 = 155,237.92/x
  3. Step 3: Cross multiply
    282,554.14x = 389,924.85 × 155,237.92
  4. Step 4: Simplify right side
    282,554.14x = 60,531,122,670.31
  5. Step 5: Solve for x
    x = 60,531,122,670.31/282,554.14
  6. Step 6: Final answer
    x = 214,228.40

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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.