Home / 346,385.28-476,176.83-297,808.32

Finding the Fourth Proportional to 346,385.28, 476,176.83 and 297,808.32

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Solution

The fourth proportional to 346,385.28, 476,176.83 and 297,808.32 is: 409,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,385.28 : 476,176.83 = 297,808.32 : x
  2. Step 2: Convert to fraction form
    346,385.28/476,176.83 = 297,808.32/x
  3. Step 3: Cross multiply
    346,385.28x = 476,176.83 × 297,808.32
  4. Step 4: Simplify right side
    346,385.28x = 141,809,421,765.23
  5. Step 5: Solve for x
    x = 141,809,421,765.23/346,385.28
  6. Step 6: Final answer
    x = 409,397.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.