Home / 407,075.61-561,741.44-225,774.53

Finding the Fourth Proportional to 407,075.61, 561,741.44 and 225,774.53

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Solution

The fourth proportional to 407,075.61, 561,741.44 and 225,774.53 is: 311,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,075.61 : 561,741.44 = 225,774.53 : x
  2. Step 2: Convert to fraction form
    407,075.61/561,741.44 = 225,774.53/x
  3. Step 3: Cross multiply
    407,075.61x = 561,741.44 × 225,774.53
  4. Step 4: Simplify right side
    407,075.61x = 126,826,909,597.52
  5. Step 5: Solve for x
    x = 126,826,909,597.52/407,075.61
  6. Step 6: Final answer
    x = 311,556.15

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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.