Home / 578,130.88-867,278.04-178,806.64

Finding the Fourth Proportional to 578,130.88, 867,278.04 and 178,806.64

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Solution

The fourth proportional to 578,130.88, 867,278.04 and 178,806.64 is: 268,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,130.88 : 867,278.04 = 178,806.64 : x
  2. Step 2: Convert to fraction form
    578,130.88/867,278.04 = 178,806.64/x
  3. Step 3: Cross multiply
    578,130.88x = 867,278.04 × 178,806.64
  4. Step 4: Simplify right side
    578,130.88x = 155,075,072,278.19
  5. Step 5: Solve for x
    x = 155,075,072,278.19/578,130.88
  6. Step 6: Final answer
    x = 268,235.23

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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.