Home / 315,055.10-434,762.92-171,812.54

Finding the Fourth Proportional to 315,055.10, 434,762.92 and 171,812.54

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Solution

The fourth proportional to 315,055.10, 434,762.92 and 171,812.54 is: 237,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,055.10 : 434,762.92 = 171,812.54 : x
  2. Step 2: Convert to fraction form
    315,055.10/434,762.92 = 171,812.54/x
  3. Step 3: Cross multiply
    315,055.10x = 434,762.92 × 171,812.54
  4. Step 4: Simplify right side
    315,055.10x = 74,697,718,979.67
  5. Step 5: Solve for x
    x = 74,697,718,979.67/315,055.10
  6. Step 6: Final answer
    x = 237,094.15

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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.