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Finding the Fourth Proportional to 319,184.42, 478,846.64 and 94,562.40

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Solution

The fourth proportional to 319,184.42, 478,846.64 and 94,562.40 is: 141,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,184.42 : 478,846.64 = 94,562.40 : x
  2. Step 2: Convert to fraction form
    319,184.42/478,846.64 = 94,562.40/x
  3. Step 3: Cross multiply
    319,184.42x = 478,846.64 × 94,562.40
  4. Step 4: Simplify right side
    319,184.42x = 45,280,887,510.34
  5. Step 5: Solve for x
    x = 45,280,887,510.34/319,184.42
  6. Step 6: Final answer
    x = 141,864.34

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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.