Home / 316,913.55-437,342.23-171,719.30

Finding the Fourth Proportional to 316,913.55, 437,342.23 and 171,719.30

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Solution

The fourth proportional to 316,913.55, 437,342.23 and 171,719.30 is: 236,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,913.55 : 437,342.23 = 171,719.30 : x
  2. Step 2: Convert to fraction form
    316,913.55/437,342.23 = 171,719.30/x
  3. Step 3: Cross multiply
    316,913.55x = 437,342.23 × 171,719.30
  4. Step 4: Simplify right side
    316,913.55x = 75,100,101,596.04
  5. Step 5: Solve for x
    x = 75,100,101,596.04/316,913.55
  6. Step 6: Final answer
    x = 236,973.46

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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.