Home / 282,914.37-390,414.03-155,590.07

Finding the Fourth Proportional to 282,914.37, 390,414.03 and 155,590.07

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Solution

The fourth proportional to 282,914.37, 390,414.03 and 155,590.07 is: 214,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,914.37 : 390,414.03 = 155,590.07 : x
  2. Step 2: Convert to fraction form
    282,914.37/390,414.03 = 155,590.07/x
  3. Step 3: Cross multiply
    282,914.37x = 390,414.03 × 155,590.07
  4. Step 4: Simplify right side
    282,914.37x = 60,744,543,721.15
  5. Step 5: Solve for x
    x = 60,744,543,721.15/282,914.37
  6. Step 6: Final answer
    x = 214,710.00

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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.