Home / 338,431.83-507,537.02-158,461.55

Finding the Fourth Proportional to 338,431.83, 507,537.02 and 158,461.55

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Solution

The fourth proportional to 338,431.83, 507,537.02 and 158,461.55 is: 237,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,431.83 : 507,537.02 = 158,461.55 : x
  2. Step 2: Convert to fraction form
    338,431.83/507,537.02 = 158,461.55/x
  3. Step 3: Cross multiply
    338,431.83x = 507,537.02 × 158,461.55
  4. Step 4: Simplify right side
    338,431.83x = 80,425,102,871.58
  5. Step 5: Solve for x
    x = 80,425,102,871.58/338,431.83
  6. Step 6: Final answer
    x = 237,640.48

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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.