Home / 380,098.92-569,557.08-143,312.16

Finding the Fourth Proportional to 380,098.92, 569,557.08 and 143,312.16

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Solution

The fourth proportional to 380,098.92, 569,557.08 and 143,312.16 is: 214,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,098.92 : 569,557.08 = 143,312.16 : x
  2. Step 2: Convert to fraction form
    380,098.92/569,557.08 = 143,312.16/x
  3. Step 3: Cross multiply
    380,098.92x = 569,557.08 × 143,312.16
  4. Step 4: Simplify right side
    380,098.92x = 81,624,455,378.09
  5. Step 5: Solve for x
    x = 81,624,455,378.09/380,098.92
  6. Step 6: Final answer
    x = 214,745.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.