Home / 315,004.23-434,714.79-171,772.13

Finding the Fourth Proportional to 315,004.23, 434,714.79 and 171,772.13

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Solution

The fourth proportional to 315,004.23, 434,714.79 and 171,772.13 is: 237,050.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,004.23 : 434,714.79 = 171,772.13 : x
  2. Step 2: Convert to fraction form
    315,004.23/434,714.79 = 171,772.13/x
  3. Step 3: Cross multiply
    315,004.23x = 434,714.79 × 171,772.13
  4. Step 4: Simplify right side
    315,004.23x = 74,671,883,247.23
  5. Step 5: Solve for x
    x = 74,671,883,247.23/315,004.23
  6. Step 6: Final answer
    x = 237,050.41

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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.