Home / 317,436.02-438,067.08-174,209.40

Finding the Fourth Proportional to 317,436.02, 438,067.08 and 174,209.40

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Solution

The fourth proportional to 317,436.02, 438,067.08 and 174,209.40 is: 240,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,436.02 : 438,067.08 = 174,209.40 : x
  2. Step 2: Convert to fraction form
    317,436.02/438,067.08 = 174,209.40/x
  3. Step 3: Cross multiply
    317,436.02x = 438,067.08 × 174,209.40
  4. Step 4: Simplify right side
    317,436.02x = 76,315,403,166.55
  5. Step 5: Solve for x
    x = 76,315,403,166.55/317,436.02
  6. Step 6: Final answer
    x = 240,411.92

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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.