Home / 282,852.56-390,346.48-155,537.84

Finding the Fourth Proportional to 282,852.56, 390,346.48 and 155,537.84

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Solution

The fourth proportional to 282,852.56, 390,346.48 and 155,537.84 is: 214,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,852.56 : 390,346.48 = 155,537.84 : x
  2. Step 2: Convert to fraction form
    282,852.56/390,346.48 = 155,537.84/x
  3. Step 3: Cross multiply
    282,852.56x = 390,346.48 × 155,537.84
  4. Step 4: Simplify right side
    282,852.56x = 60,713,648,350.80
  5. Step 5: Solve for x
    x = 60,713,648,350.80/282,852.56
  6. Step 6: Final answer
    x = 214,647.69

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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.