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Finding the Fourth Proportional to 340,292.25, 469,606.48 and 187,333.47

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Solution

The fourth proportional to 340,292.25, 469,606.48 and 187,333.47 is: 258,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,292.25 : 469,606.48 = 187,333.47 : x
  2. Step 2: Convert to fraction form
    340,292.25/469,606.48 = 187,333.47/x
  3. Step 3: Cross multiply
    340,292.25x = 469,606.48 × 187,333.47
  4. Step 4: Simplify right side
    340,292.25x = 87,973,009,048.37
  5. Step 5: Solve for x
    x = 87,973,009,048.37/340,292.25
  6. Step 6: Final answer
    x = 258,521.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.