Home / 317,444.04-438,085.40-174,209.20

Finding the Fourth Proportional to 317,444.04, 438,085.40 and 174,209.20

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Solution

The fourth proportional to 317,444.04, 438,085.40 and 174,209.20 is: 240,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,444.04 : 438,085.40 = 174,209.20 : x
  2. Step 2: Convert to fraction form
    317,444.04/438,085.40 = 174,209.20/x
  3. Step 3: Cross multiply
    317,444.04x = 438,085.40 × 174,209.20
  4. Step 4: Simplify right side
    317,444.04x = 76,318,507,065.68
  5. Step 5: Solve for x
    x = 76,318,507,065.68/317,444.04
  6. Step 6: Final answer
    x = 240,415.62

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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.