Home / 282,901.46-390,396.22-155,577.05

Finding the Fourth Proportional to 282,901.46, 390,396.22 and 155,577.05

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Solution

The fourth proportional to 282,901.46, 390,396.22 and 155,577.05 is: 214,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,901.46 : 390,396.22 = 155,577.05 : x
  2. Step 2: Convert to fraction form
    282,901.46/390,396.22 = 155,577.05/x
  3. Step 3: Cross multiply
    282,901.46x = 390,396.22 × 155,577.05
  4. Step 4: Simplify right side
    282,901.46x = 60,736,692,238.75
  5. Step 5: Solve for x
    x = 60,736,692,238.75/282,901.46
  6. Step 6: Final answer
    x = 214,692.04

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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.