Home / 355,226.04-490,211.64-202,256.46

Finding the Fourth Proportional to 355,226.04, 490,211.64 and 202,256.46

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Solution

The fourth proportional to 355,226.04, 490,211.64 and 202,256.46 is: 279,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,226.04 : 490,211.64 = 202,256.46 : x
  2. Step 2: Convert to fraction form
    355,226.04/490,211.64 = 202,256.46/x
  3. Step 3: Cross multiply
    355,226.04x = 490,211.64 × 202,256.46
  4. Step 4: Simplify right side
    355,226.04x = 99,148,470,957.19
  5. Step 5: Solve for x
    x = 99,148,470,957.19/355,226.04
  6. Step 6: Final answer
    x = 279,113.75

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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.