Home / 282,925.01-390,444.69-155,608.80

Finding the Fourth Proportional to 282,925.01, 390,444.69 and 155,608.80

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Solution

The fourth proportional to 282,925.01, 390,444.69 and 155,608.80 is: 214,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,925.01 : 390,444.69 = 155,608.80 : x
  2. Step 2: Convert to fraction form
    282,925.01/390,444.69 = 155,608.80/x
  3. Step 3: Cross multiply
    282,925.01x = 390,444.69 × 155,608.80
  4. Step 4: Simplify right side
    282,925.01x = 60,756,629,677.27
  5. Step 5: Solve for x
    x = 60,756,629,677.27/282,925.01
  6. Step 6: Final answer
    x = 214,744.64

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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.