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Finding the Fourth Proportional to 465,838.14, 698,904.90 and 166,312.32

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Solution

The fourth proportional to 465,838.14, 698,904.90 and 166,312.32 is: 249,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,838.14 : 698,904.90 = 166,312.32 : x
  2. Step 2: Convert to fraction form
    465,838.14/698,904.90 = 166,312.32/x
  3. Step 3: Cross multiply
    465,838.14x = 698,904.90 × 166,312.32
  4. Step 4: Simplify right side
    465,838.14x = 116,236,495,378.37
  5. Step 5: Solve for x
    x = 116,236,495,378.37/465,838.14
  6. Step 6: Final answer
    x = 249,521.21

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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.