Home / 448,140-618,446.16-246,948.96

Finding the Fourth Proportional to 448,140, 618,446.16 and 246,948.96

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Solution

The fourth proportional to 448,140, 618,446.16 and 246,948.96 is: 340,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,140 : 618,446.16 = 246,948.96 : x
  2. Step 2: Convert to fraction form
    448,140/618,446.16 = 246,948.96/x
  3. Step 3: Cross multiply
    448,140x = 618,446.16 × 246,948.96
  4. Step 4: Simplify right side
    448,140x = 152,724,636,027.99
  5. Step 5: Solve for x
    x = 152,724,636,027.99/448,140
  6. Step 6: Final answer
    x = 340,796.71

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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.