Home / 370,383.40-510,664.56-302,331.24

Finding the Fourth Proportional to 370,383.40, 510,664.56 and 302,331.24

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Solution

The fourth proportional to 370,383.40, 510,664.56 and 302,331.24 is: 416,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,383.40 : 510,664.56 = 302,331.24 : x
  2. Step 2: Convert to fraction form
    370,383.40/510,664.56 = 302,331.24/x
  3. Step 3: Cross multiply
    370,383.40x = 510,664.56 × 302,331.24
  4. Step 4: Simplify right side
    370,383.40x = 154,389,849,648.85
  5. Step 5: Solve for x
    x = 154,389,849,648.85/370,383.40
  6. Step 6: Final answer
    x = 416,837.93

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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.