Home / 260,123.01-358,964.28-145,398.45

Finding the Fourth Proportional to 260,123.01, 358,964.28 and 145,398.45

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Solution

The fourth proportional to 260,123.01, 358,964.28 and 145,398.45 is: 200,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,123.01 : 358,964.28 = 145,398.45 : x
  2. Step 2: Convert to fraction form
    260,123.01/358,964.28 = 145,398.45/x
  3. Step 3: Cross multiply
    260,123.01x = 358,964.28 × 145,398.45
  4. Step 4: Simplify right side
    260,123.01x = 52,192,849,917.37
  5. Step 5: Solve for x
    x = 52,192,849,917.37/260,123.01
  6. Step 6: Final answer
    x = 200,646.80

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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.