Home / 451,430.04-622,543.68-270,113.16

Finding the Fourth Proportional to 451,430.04, 622,543.68 and 270,113.16

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Solution

The fourth proportional to 451,430.04, 622,543.68 and 270,113.16 is: 372,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,430.04 : 622,543.68 = 270,113.16 : x
  2. Step 2: Convert to fraction form
    451,430.04/622,543.68 = 270,113.16/x
  3. Step 3: Cross multiply
    451,430.04x = 622,543.68 × 270,113.16
  4. Step 4: Simplify right side
    451,430.04x = 168,157,240,642.83
  5. Step 5: Solve for x
    x = 168,157,240,642.83/451,430.04
  6. Step 6: Final answer
    x = 372,499.00

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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.