Home / 249,200.37-343,776.73-163,121.43

Finding the Fourth Proportional to 249,200.37, 343,776.73 and 163,121.43

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Solution

The fourth proportional to 249,200.37, 343,776.73 and 163,121.43 is: 225,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,200.37 : 343,776.73 = 163,121.43 : x
  2. Step 2: Convert to fraction form
    249,200.37/343,776.73 = 163,121.43/x
  3. Step 3: Cross multiply
    249,200.37x = 343,776.73 × 163,121.43
  4. Step 4: Simplify right side
    249,200.37x = 56,077,351,798.32
  5. Step 5: Solve for x
    x = 56,077,351,798.32/249,200.37
  6. Step 6: Final answer
    x = 225,029.17

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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.