Home / 397,938.73-549,070.30-236,762.30

Finding the Fourth Proportional to 397,938.73, 549,070.30 and 236,762.30

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Solution

The fourth proportional to 397,938.73, 549,070.30 and 236,762.30 is: 326,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,938.73 : 549,070.30 = 236,762.30 : x
  2. Step 2: Convert to fraction form
    397,938.73/549,070.30 = 236,762.30/x
  3. Step 3: Cross multiply
    397,938.73x = 549,070.30 × 236,762.30
  4. Step 4: Simplify right side
    397,938.73x = 129,999,143,160.53
  5. Step 5: Solve for x
    x = 129,999,143,160.53/397,938.73
  6. Step 6: Final answer
    x = 326,681.31

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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.