Home / 304,435.77-420,111.02-168,475.45

Finding the Fourth Proportional to 304,435.77, 420,111.02 and 168,475.45

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Solution

The fourth proportional to 304,435.77, 420,111.02 and 168,475.45 is: 232,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,435.77 : 420,111.02 = 168,475.45 : x
  2. Step 2: Convert to fraction form
    304,435.77/420,111.02 = 168,475.45/x
  3. Step 3: Cross multiply
    304,435.77x = 420,111.02 × 168,475.45
  4. Step 4: Simplify right side
    304,435.77x = 70,778,393,144.46
  5. Step 5: Solve for x
    x = 70,778,393,144.46/304,435.77
  6. Step 6: Final answer
    x = 232,490.40

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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.