Home / 428,242.14-590,981.70-234,637.19

Finding the Fourth Proportional to 428,242.14, 590,981.70 and 234,637.19

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Solution

The fourth proportional to 428,242.14, 590,981.70 and 234,637.19 is: 323,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,242.14 : 590,981.70 = 234,637.19 : x
  2. Step 2: Convert to fraction form
    428,242.14/590,981.70 = 234,637.19/x
  3. Step 3: Cross multiply
    428,242.14x = 590,981.70 × 234,637.19
  4. Step 4: Simplify right side
    428,242.14x = 138,666,285,570.59
  5. Step 5: Solve for x
    x = 138,666,285,570.59/428,242.14
  6. Step 6: Final answer
    x = 323,803.46

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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.