Home / 208,730.93-288,253.28-144,365.09

Finding the Fourth Proportional to 208,730.93, 288,253.28 and 144,365.09

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Solution

The fourth proportional to 208,730.93, 288,253.28 and 144,365.09 is: 199,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,730.93 : 288,253.28 = 144,365.09 : x
  2. Step 2: Convert to fraction form
    208,730.93/288,253.28 = 144,365.09/x
  3. Step 3: Cross multiply
    208,730.93x = 288,253.28 × 144,365.09
  4. Step 4: Simplify right side
    208,730.93x = 41,613,709,629.64
  5. Step 5: Solve for x
    x = 41,613,709,629.64/208,730.93
  6. Step 6: Final answer
    x = 199,365.33

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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.