Home / 313,975.04-433,276.08-178,021.40

Finding the Fourth Proportional to 313,975.04, 433,276.08 and 178,021.40

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Solution

The fourth proportional to 313,975.04, 433,276.08 and 178,021.40 is: 245,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,975.04 : 433,276.08 = 178,021.40 : x
  2. Step 2: Convert to fraction form
    313,975.04/433,276.08 = 178,021.40/x
  3. Step 3: Cross multiply
    313,975.04x = 433,276.08 × 178,021.40
  4. Step 4: Simplify right side
    313,975.04x = 77,132,414,348.11
  5. Step 5: Solve for x
    x = 77,132,414,348.11/313,975.04
  6. Step 6: Final answer
    x = 245,664.16

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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.