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Finding the Fourth Proportional to 338,111.10, 507,234.24 and 124,880.22

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Solution

The fourth proportional to 338,111.10, 507,234.24 and 124,880.22 is: 187,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,111.10 : 507,234.24 = 124,880.22 : x
  2. Step 2: Convert to fraction form
    338,111.10/507,234.24 = 124,880.22/x
  3. Step 3: Cross multiply
    338,111.10x = 507,234.24 × 124,880.22
  4. Step 4: Simplify right side
    338,111.10x = 63,343,523,482.73
  5. Step 5: Solve for x
    x = 63,343,523,482.73/338,111.10
  6. Step 6: Final answer
    x = 187,345.29

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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.