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Finding the Fourth Proportional to 612,235.80, 918,113.40 and 232,955.10

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Solution

The fourth proportional to 612,235.80, 918,113.40 and 232,955.10 is: 349,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,235.80 : 918,113.40 = 232,955.10 : x
  2. Step 2: Convert to fraction form
    612,235.80/918,113.40 = 232,955.10/x
  3. Step 3: Cross multiply
    612,235.80x = 918,113.40 × 232,955.10
  4. Step 4: Simplify right side
    612,235.80x = 213,879,198,908.34
  5. Step 5: Solve for x
    x = 213,879,198,908.34/612,235.80
  6. Step 6: Final answer
    x = 349,341.22

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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.