Home / 459,322.54-688,939.26-139,477.18

Finding the Fourth Proportional to 459,322.54, 688,939.26 and 139,477.18

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Solution

The fourth proportional to 459,322.54, 688,939.26 and 139,477.18 is: 209,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,322.54 : 688,939.26 = 139,477.18 : x
  2. Step 2: Convert to fraction form
    459,322.54/688,939.26 = 139,477.18/x
  3. Step 3: Cross multiply
    459,322.54x = 688,939.26 × 139,477.18
  4. Step 4: Simplify right side
    459,322.54x = 96,091,304,407.37
  5. Step 5: Solve for x
    x = 96,091,304,407.37/459,322.54
  6. Step 6: Final answer
    x = 209,202.24

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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.