Home / 388,945.06-583,503.28-119,075.22

Finding the Fourth Proportional to 388,945.06, 583,503.28 and 119,075.22

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Solution

The fourth proportional to 388,945.06, 583,503.28 and 119,075.22 is: 178,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,945.06 : 583,503.28 = 119,075.22 : x
  2. Step 2: Convert to fraction form
    388,945.06/583,503.28 = 119,075.22/x
  3. Step 3: Cross multiply
    388,945.06x = 583,503.28 × 119,075.22
  4. Step 4: Simplify right side
    388,945.06x = 69,480,781,436.72
  5. Step 5: Solve for x
    x = 69,480,781,436.72/388,945.06
  6. Step 6: Final answer
    x = 178,639.06

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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.