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Finding the Fourth Proportional to 304,885.96, 420,707.93 and 168,886.01

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Solution

The fourth proportional to 304,885.96, 420,707.93 and 168,886.01 is: 233,043.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,885.96 : 420,707.93 = 168,886.01 : x
  2. Step 2: Convert to fraction form
    304,885.96/420,707.93 = 168,886.01/x
  3. Step 3: Cross multiply
    304,885.96x = 420,707.93 × 168,886.01
  4. Step 4: Simplify right side
    304,885.96x = 71,051,683,880.40
  5. Step 5: Solve for x
    x = 71,051,683,880.40/304,885.96
  6. Step 6: Final answer
    x = 233,043.48

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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.