Home / 316,237.89-436,418.63-180,269.36

Finding the Fourth Proportional to 316,237.89, 436,418.63 and 180,269.36

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Solution

The fourth proportional to 316,237.89, 436,418.63 and 180,269.36 is: 248,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,237.89 : 436,418.63 = 180,269.36 : x
  2. Step 2: Convert to fraction form
    316,237.89/436,418.63 = 180,269.36/x
  3. Step 3: Cross multiply
    316,237.89x = 436,418.63 × 180,269.36
  4. Step 4: Simplify right side
    316,237.89x = 78,672,904,038.74
  5. Step 5: Solve for x
    x = 78,672,904,038.74/316,237.89
  6. Step 6: Final answer
    x = 248,777.60

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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.