Home / 320,102.12-480,389.99-151,623.33

Finding the Fourth Proportional to 320,102.12, 480,389.99 and 151,623.33

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Solution

The fourth proportional to 320,102.12, 480,389.99 and 151,623.33 is: 227,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,102.12 : 480,389.99 = 151,623.33 : x
  2. Step 2: Convert to fraction form
    320,102.12/480,389.99 = 151,623.33/x
  3. Step 3: Cross multiply
    320,102.12x = 480,389.99 × 151,623.33
  4. Step 4: Simplify right side
    320,102.12x = 72,838,328,275.77
  5. Step 5: Solve for x
    x = 72,838,328,275.77/320,102.12
  6. Step 6: Final answer
    x = 227,547.16

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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.