Home / 445,904.79-668,926.74-146,317.18

Finding the Fourth Proportional to 445,904.79, 668,926.74 and 146,317.18

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Solution

The fourth proportional to 445,904.79, 668,926.74 and 146,317.18 is: 219,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,904.79 : 668,926.74 = 146,317.18 : x
  2. Step 2: Convert to fraction form
    445,904.79/668,926.74 = 146,317.18/x
  3. Step 3: Cross multiply
    445,904.79x = 668,926.74 × 146,317.18
  4. Step 4: Simplify right side
    445,904.79x = 97,875,470,147.17
  5. Step 5: Solve for x
    x = 97,875,470,147.17/445,904.79
  6. Step 6: Final answer
    x = 219,498.59

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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.