Home / 215,384.89-297,323.04-153,335.37

Finding the Fourth Proportional to 215,384.89, 297,323.04 and 153,335.37

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Solution

The fourth proportional to 215,384.89, 297,323.04 and 153,335.37 is: 211,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,384.89 : 297,323.04 = 153,335.37 : x
  2. Step 2: Convert to fraction form
    215,384.89/297,323.04 = 153,335.37/x
  3. Step 3: Cross multiply
    215,384.89x = 297,323.04 × 153,335.37
  4. Step 4: Simplify right side
    215,384.89x = 45,590,137,502.94
  5. Step 5: Solve for x
    x = 45,590,137,502.94/215,384.89
  6. Step 6: Final answer
    x = 211,668.23

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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.