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Finding the Fourth Proportional to 319,530.37, 478,838.79 and 234,624.35

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Solution

The fourth proportional to 319,530.37, 478,838.79 and 234,624.35 is: 351,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,530.37 : 478,838.79 = 234,624.35 : x
  2. Step 2: Convert to fraction form
    319,530.37/478,838.79 = 234,624.35/x
  3. Step 3: Cross multiply
    319,530.37x = 478,838.79 × 234,624.35
  4. Step 4: Simplify right side
    319,530.37x = 112,347,238,362.17
  5. Step 5: Solve for x
    x = 112,347,238,362.17/319,530.37
  6. Step 6: Final answer
    x = 351,601.13

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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.