Home / 388,944.06-583,501.78-119,074.22

Finding the Fourth Proportional to 388,944.06, 583,501.78 and 119,074.22

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Solution

The fourth proportional to 388,944.06, 583,501.78 and 119,074.22 is: 178,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,944.06 : 583,501.78 = 119,074.22 : x
  2. Step 2: Convert to fraction form
    388,944.06/583,501.78 = 119,074.22/x
  3. Step 3: Cross multiply
    388,944.06x = 583,501.78 × 119,074.22
  4. Step 4: Simplify right side
    388,944.06x = 69,480,019,322.11
  5. Step 5: Solve for x
    x = 69,480,019,322.11/388,944.06
  6. Step 6: Final answer
    x = 178,637.56

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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.