Home / 304,746.77-420,538.17-168,772.63

Finding the Fourth Proportional to 304,746.77, 420,538.17 and 168,772.63

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Solution

The fourth proportional to 304,746.77, 420,538.17 and 168,772.63 is: 232,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,746.77 : 420,538.17 = 168,772.63 : x
  2. Step 2: Convert to fraction form
    304,746.77/420,538.17 = 168,772.63/x
  3. Step 3: Cross multiply
    304,746.77x = 420,538.17 × 168,772.63
  4. Step 4: Simplify right side
    304,746.77x = 70,975,331,914.94
  5. Step 5: Solve for x
    x = 70,975,331,914.94/304,746.77
  6. Step 6: Final answer
    x = 232,899.37

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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.