Home / 357,120.16-492,840.04-195,980.98

Finding the Fourth Proportional to 357,120.16, 492,840.04 and 195,980.98

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Solution

The fourth proportional to 357,120.16, 492,840.04 and 195,980.98 is: 270,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,120.16 : 492,840.04 = 195,980.98 : x
  2. Step 2: Convert to fraction form
    357,120.16/492,840.04 = 195,980.98/x
  3. Step 3: Cross multiply
    357,120.16x = 492,840.04 × 195,980.98
  4. Step 4: Simplify right side
    357,120.16x = 96,587,272,300.39
  5. Step 5: Solve for x
    x = 96,587,272,300.39/357,120.16
  6. Step 6: Final answer
    x = 270,461.55

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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.