Home / 317,729.04-438,464.49-172,533.53

Finding the Fourth Proportional to 317,729.04, 438,464.49 and 172,533.53

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Solution

The fourth proportional to 317,729.04, 438,464.49 and 172,533.53 is: 238,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,729.04 : 438,464.49 = 172,533.53 : x
  2. Step 2: Convert to fraction form
    317,729.04/438,464.49 = 172,533.53/x
  3. Step 3: Cross multiply
    317,729.04x = 438,464.49 × 172,533.53
  4. Step 4: Simplify right side
    317,729.04x = 75,649,827,335.51
  5. Step 5: Solve for x
    x = 75,649,827,335.51/317,729.04
  6. Step 6: Final answer
    x = 238,095.41

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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.