Home / 314,844.42-434,480.28-171,605.64

Finding the Fourth Proportional to 314,844.42, 434,480.28 and 171,605.64

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Solution

The fourth proportional to 314,844.42, 434,480.28 and 171,605.64 is: 236,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,844.42 : 434,480.28 = 171,605.64 : x
  2. Step 2: Convert to fraction form
    314,844.42/434,480.28 = 171,605.64/x
  3. Step 3: Cross multiply
    314,844.42x = 434,480.28 × 171,605.64
  4. Step 4: Simplify right side
    314,844.42x = 74,559,266,516.78
  5. Step 5: Solve for x
    x = 74,559,266,516.78/314,844.42
  6. Step 6: Final answer
    x = 236,813.05

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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.