Home / 370,329.36-510,577.20-302,276.40

Finding the Fourth Proportional to 370,329.36, 510,577.20 and 302,276.40

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Solution

The fourth proportional to 370,329.36, 510,577.20 and 302,276.40 is: 416,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,329.36 : 510,577.20 = 302,276.40 : x
  2. Step 2: Convert to fraction form
    370,329.36/510,577.20 = 302,276.40/x
  3. Step 3: Cross multiply
    370,329.36x = 510,577.20 × 302,276.40
  4. Step 4: Simplify right side
    370,329.36x = 154,335,437,938.08
  5. Step 5: Solve for x
    x = 154,335,437,938.08/370,329.36
  6. Step 6: Final answer
    x = 416,751.83

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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.