Home / 388,947.35-583,187.66-152,007.77

Finding the Fourth Proportional to 388,947.35, 583,187.66 and 152,007.77

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Solution

The fourth proportional to 388,947.35, 583,187.66 and 152,007.77 is: 227,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,947.35 : 583,187.66 = 152,007.77 : x
  2. Step 2: Convert to fraction form
    388,947.35/583,187.66 = 152,007.77/x
  3. Step 3: Cross multiply
    388,947.35x = 583,187.66 × 152,007.77
  4. Step 4: Simplify right side
    388,947.35x = 88,649,054,928.08
  5. Step 5: Solve for x
    x = 88,649,054,928.08/388,947.35
  6. Step 6: Final answer
    x = 227,920.45

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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.