Home / 353,541.40-530,312.10-227,570.20

Finding the Fourth Proportional to 353,541.40, 530,312.10 and 227,570.20

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Solution

The fourth proportional to 353,541.40, 530,312.10 and 227,570.20 is: 341,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,541.40 : 530,312.10 = 227,570.20 : x
  2. Step 2: Convert to fraction form
    353,541.40/530,312.10 = 227,570.20/x
  3. Step 3: Cross multiply
    353,541.40x = 530,312.10 × 227,570.20
  4. Step 4: Simplify right side
    353,541.40x = 120,683,230,659.42
  5. Step 5: Solve for x
    x = 120,683,230,659.42/353,541.40
  6. Step 6: Final answer
    x = 341,355.30

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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.