Finding the Fourth Proportional to 315,871.87, 473,781.19 and 135,950.03
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Solution
The fourth proportional to 315,871.87, 473,781.19 and 135,950.03 is: 203,913.59
Step by Step Solution
- Step 1: Write the proportion equation
315,871.87 : 473,781.19 = 135,950.03 : x - Step 2: Convert to fraction form
315,871.87/473,781.19 = 135,950.03/x - Step 3: Cross multiply
315,871.87x = 473,781.19 × 135,950.03 - Step 4: Simplify right side
315,871.87x = 64,410,566,314.19 - Step 5: Solve for x
x = 64,410,566,314.19/315,871.87 - Step 6: Final answer
x = 203,913.59
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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.