Home / 421,189.02-581,628.87-270,548.46

Finding the Fourth Proportional to 421,189.02, 581,628.87 and 270,548.46

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Solution

The fourth proportional to 421,189.02, 581,628.87 and 270,548.46 is: 373,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,189.02 : 581,628.87 = 270,548.46 : x
  2. Step 2: Convert to fraction form
    421,189.02/581,628.87 = 270,548.46/x
  3. Step 3: Cross multiply
    421,189.02x = 581,628.87 × 270,548.46
  4. Step 4: Simplify right side
    421,189.02x = 157,358,795,070.04
  5. Step 5: Solve for x
    x = 157,358,795,070.04/421,189.02
  6. Step 6: Final answer
    x = 373,606.12

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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.