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Finding the Fourth Proportional to 243,637.51, 365,210.93 and 101,561.45

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Solution

The fourth proportional to 243,637.51, 365,210.93 and 101,561.45 is: 152,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,637.51 : 365,210.93 = 101,561.45 : x
  2. Step 2: Convert to fraction form
    243,637.51/365,210.93 = 101,561.45/x
  3. Step 3: Cross multiply
    243,637.51x = 365,210.93 × 101,561.45
  4. Step 4: Simplify right side
    243,637.51x = 37,091,351,517.53
  5. Step 5: Solve for x
    x = 37,091,351,517.53/243,637.51
  6. Step 6: Final answer
    x = 152,239.91

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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.