Home / 292,743.75-403,986.51-158,607.75

Finding the Fourth Proportional to 292,743.75, 403,986.51 and 158,607.75

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Solution

The fourth proportional to 292,743.75, 403,986.51 and 158,607.75 is: 218,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,743.75 : 403,986.51 = 158,607.75 : x
  2. Step 2: Convert to fraction form
    292,743.75/403,986.51 = 158,607.75/x
  3. Step 3: Cross multiply
    292,743.75x = 403,986.51 × 158,607.75
  4. Step 4: Simplify right side
    292,743.75x = 64,075,391,381.45
  5. Step 5: Solve for x
    x = 64,075,391,381.45/292,743.75
  6. Step 6: Final answer
    x = 218,878.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.