Finding the Fourth Proportional to 147,953.06, 221,776.50 and 72,972.98
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Solution
The fourth proportional to 147,953.06, 221,776.50 and 72,972.98 is: 109,383.96
Step by Step Solution
- Step 1: Write the proportion equation
147,953.06 : 221,776.50 = 72,972.98 : x - Step 2: Convert to fraction form
147,953.06/221,776.50 = 72,972.98/x - Step 3: Cross multiply
147,953.06x = 221,776.50 × 72,972.98 - Step 4: Simplify right side
147,953.06x = 16,183,692,098.97 - Step 5: Solve for x
x = 16,183,692,098.97/147,953.06 - Step 6: Final answer
x = 109,383.96
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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.