Home / 292,743.84-403,986.42-158,607.84

Finding the Fourth Proportional to 292,743.84, 403,986.42 and 158,607.84

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Solution

The fourth proportional to 292,743.84, 403,986.42 and 158,607.84 is: 218,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,743.84 : 403,986.42 = 158,607.84 : x
  2. Step 2: Convert to fraction form
    292,743.84/403,986.42 = 158,607.84/x
  3. Step 3: Cross multiply
    292,743.84x = 403,986.42 × 158,607.84
  4. Step 4: Simplify right side
    292,743.84x = 64,075,413,465.53
  5. Step 5: Solve for x
    x = 64,075,413,465.53/292,743.84
  6. Step 6: Final answer
    x = 218,878.78

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1.5x scale

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.