Home / 315,166.40-434,929.64-171,927.02

Finding the Fourth Proportional to 315,166.40, 434,929.64 and 171,927.02

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Solution

The fourth proportional to 315,166.40, 434,929.64 and 171,927.02 is: 237,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,166.40 : 434,929.64 = 171,927.02 : x
  2. Step 2: Convert to fraction form
    315,166.40/434,929.64 = 171,927.02/x
  3. Step 3: Cross multiply
    315,166.40x = 434,929.64 × 171,927.02
  4. Step 4: Simplify right side
    315,166.40x = 74,776,156,914.87
  5. Step 5: Solve for x
    x = 74,776,156,914.87/315,166.40
  6. Step 6: Final answer
    x = 237,259.29

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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.