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Finding the Fourth Proportional to 477,283.54, 658,653.77 and 262,437.45

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Solution

The fourth proportional to 477,283.54, 658,653.77 and 262,437.45 is: 362,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,283.54 : 658,653.77 = 262,437.45 : x
  2. Step 2: Convert to fraction form
    477,283.54/658,653.77 = 262,437.45/x
  3. Step 3: Cross multiply
    477,283.54x = 658,653.77 × 262,437.45
  4. Step 4: Simplify right side
    477,283.54x = 172,855,415,831.69
  5. Step 5: Solve for x
    x = 172,855,415,831.69/477,283.54
  6. Step 6: Final answer
    x = 362,165.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.