Home / 371,278.57-556,828.63-171,406.98

Finding the Fourth Proportional to 371,278.57, 556,828.63 and 171,406.98

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Solution

The fourth proportional to 371,278.57, 556,828.63 and 171,406.98 is: 257,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,278.57 : 556,828.63 = 171,406.98 : x
  2. Step 2: Convert to fraction form
    371,278.57/556,828.63 = 171,406.98/x
  3. Step 3: Cross multiply
    371,278.57x = 556,828.63 × 171,406.98
  4. Step 4: Simplify right side
    371,278.57x = 95,444,313,845.84
  5. Step 5: Solve for x
    x = 95,444,313,845.84/371,278.57
  6. Step 6: Final answer
    x = 257,069.28

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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.