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Finding the Fourth Proportional to 373,145.40, 558,527.40 and 294,413.40

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Solution

The fourth proportional to 373,145.40, 558,527.40 and 294,413.40 is: 440,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,145.40 : 558,527.40 = 294,413.40 : x
  2. Step 2: Convert to fraction form
    373,145.40/558,527.40 = 294,413.40/x
  3. Step 3: Cross multiply
    373,145.40x = 558,527.40 × 294,413.40
  4. Step 4: Simplify right side
    373,145.40x = 164,437,950,827.16
  5. Step 5: Solve for x
    x = 164,437,950,827.16/373,145.40
  6. Step 6: Final answer
    x = 440,680.63

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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.