Home / 304,128.83-419,679.75-168,152.10

Finding the Fourth Proportional to 304,128.83, 419,679.75 and 168,152.10

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Solution

The fourth proportional to 304,128.83, 419,679.75 and 168,152.10 is: 232,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,128.83 : 419,679.75 = 168,152.10 : x
  2. Step 2: Convert to fraction form
    304,128.83/419,679.75 = 168,152.10/x
  3. Step 3: Cross multiply
    304,128.83x = 419,679.75 × 168,152.10
  4. Step 4: Simplify right side
    304,128.83x = 70,570,031,289.98
  5. Step 5: Solve for x
    x = 70,570,031,289.98/304,128.83
  6. Step 6: Final answer
    x = 232,039.93

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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.