Home / 304,825.48-420,653.52-168,856.45

Finding the Fourth Proportional to 304,825.48, 420,653.52 and 168,856.45

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Solution

The fourth proportional to 304,825.48, 420,653.52 and 168,856.45 is: 233,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,825.48 : 420,653.52 = 168,856.45 : x
  2. Step 2: Convert to fraction form
    304,825.48/420,653.52 = 168,856.45/x
  3. Step 3: Cross multiply
    304,825.48x = 420,653.52 × 168,856.45
  4. Step 4: Simplify right side
    304,825.48x = 71,030,058,303.21
  5. Step 5: Solve for x
    x = 71,030,058,303.21/304,825.48
  6. Step 6: Final answer
    x = 233,018.77

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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.