Home / 315,210.44-434,988.34-179,244.40

Finding the Fourth Proportional to 315,210.44, 434,988.34 and 179,244.40

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Solution

The fourth proportional to 315,210.44, 434,988.34 and 179,244.40 is: 247,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,210.44 : 434,988.34 = 179,244.40 : x
  2. Step 2: Convert to fraction form
    315,210.44/434,988.34 = 179,244.40/x
  3. Step 3: Cross multiply
    315,210.44x = 434,988.34 × 179,244.40
  4. Step 4: Simplify right side
    315,210.44x = 77,969,224,010.30
  5. Step 5: Solve for x
    x = 77,969,224,010.30/315,210.44
  6. Step 6: Final answer
    x = 247,356.10

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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.