Home / 328,298.55-492,083.33-128,552.55

Finding the Fourth Proportional to 328,298.55, 492,083.33 and 128,552.55

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Solution

The fourth proportional to 328,298.55, 492,083.33 and 128,552.55 is: 192,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,298.55 : 492,083.33 = 128,552.55 : x
  2. Step 2: Convert to fraction form
    328,298.55/492,083.33 = 128,552.55/x
  3. Step 3: Cross multiply
    328,298.55x = 492,083.33 × 128,552.55
  4. Step 4: Simplify right side
    328,298.55x = 63,258,566,241.23
  5. Step 5: Solve for x
    x = 63,258,566,241.23/328,298.55
  6. Step 6: Final answer
    x = 192,686.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.