Home / 317,434.03-438,064.31-174,207.40

Finding the Fourth Proportional to 317,434.03, 438,064.31 and 174,207.40

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Solution

The fourth proportional to 317,434.03, 438,064.31 and 174,207.40 is: 240,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,434.03 : 438,064.31 = 174,207.40 : x
  2. Step 2: Convert to fraction form
    317,434.03/438,064.31 = 174,207.40/x
  3. Step 3: Cross multiply
    317,434.03x = 438,064.31 × 174,207.40
  4. Step 4: Simplify right side
    317,434.03x = 76,314,044,477.89
  5. Step 5: Solve for x
    x = 76,314,044,477.89/317,434.03
  6. Step 6: Final answer
    x = 240,409.15

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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.