Home / 389,032.77-536,880.24-219,263.25

Finding the Fourth Proportional to 389,032.77, 536,880.24 and 219,263.25

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Solution

The fourth proportional to 389,032.77, 536,880.24 and 219,263.25 is: 302,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,032.77 : 536,880.24 = 219,263.25 : x
  2. Step 2: Convert to fraction form
    389,032.77/536,880.24 = 219,263.25/x
  3. Step 3: Cross multiply
    389,032.77x = 536,880.24 × 219,263.25
  4. Step 4: Simplify right side
    389,032.77x = 117,718,106,283.18
  5. Step 5: Solve for x
    x = 117,718,106,283.18/389,032.77
  6. Step 6: Final answer
    x = 302,591.75

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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.