Home / 245,335.05-338,598.23-137,913.93

Finding the Fourth Proportional to 245,335.05, 338,598.23 and 137,913.93

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Solution

The fourth proportional to 245,335.05, 338,598.23 and 137,913.93 is: 190,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,335.05 : 338,598.23 = 137,913.93 : x
  2. Step 2: Convert to fraction form
    245,335.05/338,598.23 = 137,913.93/x
  3. Step 3: Cross multiply
    245,335.05x = 338,598.23 × 137,913.93
  4. Step 4: Simplify right side
    245,335.05x = 46,697,411,900.77
  5. Step 5: Solve for x
    x = 46,697,411,900.77/245,335.05
  6. Step 6: Final answer
    x = 190,341.38

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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.