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Finding the Fourth Proportional to 477,369.25, 716,054.78 and 122,384.52

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Solution

The fourth proportional to 477,369.25, 716,054.78 and 122,384.52 is: 183,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,369.25 : 716,054.78 = 122,384.52 : x
  2. Step 2: Convert to fraction form
    477,369.25/716,054.78 = 122,384.52/x
  3. Step 3: Cross multiply
    477,369.25x = 716,054.78 × 122,384.52
  4. Step 4: Simplify right side
    477,369.25x = 87,634,020,849.97
  5. Step 5: Solve for x
    x = 87,634,020,849.97/477,369.25
  6. Step 6: Final answer
    x = 183,577.01

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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.