Home / 313,678.14-432,877.59-170,439.36

Finding the Fourth Proportional to 313,678.14, 432,877.59 and 170,439.36

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Solution

The fourth proportional to 313,678.14, 432,877.59 and 170,439.36 is: 235,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,678.14 : 432,877.59 = 170,439.36 : x
  2. Step 2: Convert to fraction form
    313,678.14/432,877.59 = 170,439.36/x
  3. Step 3: Cross multiply
    313,678.14x = 432,877.59 × 170,439.36
  4. Step 4: Simplify right side
    313,678.14x = 73,779,379,397.94
  5. Step 5: Solve for x
    x = 73,779,379,397.94/313,678.14
  6. Step 6: Final answer
    x = 235,207.27

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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.