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Finding the Fourth Proportional to 370,907.20, 556,360.80 and 202,362.40

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Solution

The fourth proportional to 370,907.20, 556,360.80 and 202,362.40 is: 303,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,907.20 : 556,360.80 = 202,362.40 : x
  2. Step 2: Convert to fraction form
    370,907.20/556,360.80 = 202,362.40/x
  3. Step 3: Cross multiply
    370,907.20x = 556,360.80 × 202,362.40
  4. Step 4: Simplify right side
    370,907.20x = 112,586,506,753.92
  5. Step 5: Solve for x
    x = 112,586,506,753.92/370,907.20
  6. Step 6: Final answer
    x = 303,543.60

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