Home / 388,896.45-583,295.43-152,405.19

Finding the Fourth Proportional to 388,896.45, 583,295.43 and 152,405.19

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Solution

The fourth proportional to 388,896.45, 583,295.43 and 152,405.19 is: 228,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,896.45 : 583,295.43 = 152,405.19 : x
  2. Step 2: Convert to fraction form
    388,896.45/583,295.43 = 152,405.19/x
  3. Step 3: Cross multiply
    388,896.45x = 583,295.43 × 152,405.19
  4. Step 4: Simplify right side
    388,896.45x = 88,897,250,835.28
  5. Step 5: Solve for x
    x = 88,897,250,835.28/388,896.45
  6. Step 6: Final answer
    x = 228,588.49

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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.