Home / 370,904.20-556,356.30-202,359.40

Finding the Fourth Proportional to 370,904.20, 556,356.30 and 202,359.40

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Solution

The fourth proportional to 370,904.20, 556,356.30 and 202,359.40 is: 303,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,904.20 : 556,356.30 = 202,359.40 : x
  2. Step 2: Convert to fraction form
    370,904.20/556,356.30 = 202,359.40/x
  3. Step 3: Cross multiply
    370,904.20x = 556,356.30 × 202,359.40
  4. Step 4: Simplify right side
    370,904.20x = 112,583,927,054.22
  5. Step 5: Solve for x
    x = 112,583,927,054.22/370,904.20
  6. Step 6: Final answer
    x = 303,539.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.