Home / 393,501.08-590,270.07-127,282.35

Finding the Fourth Proportional to 393,501.08, 590,270.07 and 127,282.35

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Solution

The fourth proportional to 393,501.08, 590,270.07 and 127,282.35 is: 190,929.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,501.08 : 590,270.07 = 127,282.35 : x
  2. Step 2: Convert to fraction form
    393,501.08/590,270.07 = 127,282.35/x
  3. Step 3: Cross multiply
    393,501.08x = 590,270.07 × 127,282.35
  4. Step 4: Simplify right side
    393,501.08x = 75,130,961,644.26
  5. Step 5: Solve for x
    x = 75,130,961,644.26/393,501.08
  6. Step 6: Final answer
    x = 190,929.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.