Home / 334,637.20-501,955.80-319,085.20

Finding the Fourth Proportional to 334,637.20, 501,955.80 and 319,085.20

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Solution

The fourth proportional to 334,637.20, 501,955.80 and 319,085.20 is: 478,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,637.20 : 501,955.80 = 319,085.20 : x
  2. Step 2: Convert to fraction form
    334,637.20/501,955.80 = 319,085.20/x
  3. Step 3: Cross multiply
    334,637.20x = 501,955.80 × 319,085.20
  4. Step 4: Simplify right side
    334,637.20x = 160,166,666,834.16
  5. Step 5: Solve for x
    x = 160,166,666,834.16/334,637.20
  6. Step 6: Final answer
    x = 478,627.80

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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.