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Finding the Fourth Proportional to 370,842.30, 556,263.45 and 370,842.30

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Solution

The fourth proportional to 370,842.30, 556,263.45 and 370,842.30 is: 556,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,842.30 : 556,263.45 = 370,842.30 : x
  2. Step 2: Convert to fraction form
    370,842.30/556,263.45 = 370,842.30/x
  3. Step 3: Cross multiply
    370,842.30x = 556,263.45 × 370,842.30
  4. Step 4: Simplify right side
    370,842.30x = 206,286,017,203.94
  5. Step 5: Solve for x
    x = 206,286,017,203.94/370,842.30
  6. Step 6: Final answer
    x = 556,263.45

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1.5x scale

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.