Home / 228,599.32-315,440.10-131,802.10

Finding the Fourth Proportional to 228,599.32, 315,440.10 and 131,802.10

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Solution

The fourth proportional to 228,599.32, 315,440.10 and 131,802.10 is: 181,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,599.32 : 315,440.10 = 131,802.10 : x
  2. Step 2: Convert to fraction form
    228,599.32/315,440.10 = 131,802.10/x
  3. Step 3: Cross multiply
    228,599.32x = 315,440.10 × 131,802.10
  4. Step 4: Simplify right side
    228,599.32x = 41,575,667,604.21
  5. Step 5: Solve for x
    x = 41,575,667,604.21/228,599.32
  6. Step 6: Final answer
    x = 181,871.35

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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.