Home / 319,015.35-478,522.98-94,358.25

Finding the Fourth Proportional to 319,015.35, 478,522.98 and 94,358.25

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Solution

The fourth proportional to 319,015.35, 478,522.98 and 94,358.25 is: 141,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,015.35 : 478,522.98 = 94,358.25 : x
  2. Step 2: Convert to fraction form
    319,015.35/478,522.98 = 94,358.25/x
  3. Step 3: Cross multiply
    319,015.35x = 478,522.98 × 94,358.25
  4. Step 4: Simplify right side
    319,015.35x = 45,152,590,977.59
  5. Step 5: Solve for x
    x = 45,152,590,977.59/319,015.35
  6. Step 6: Final answer
    x = 141,537.36

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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.