Finding the Fourth Proportional to 112,803.84, 169,205.76 and 29,710.08
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Solution
The fourth proportional to 112,803.84, 169,205.76 and 29,710.08 is: 44,565.12
Step by Step Solution
- Step 1: Write the proportion equation
112,803.84 : 169,205.76 = 29,710.08 : x - Step 2: Convert to fraction form
112,803.84/169,205.76 = 29,710.08/x - Step 3: Cross multiply
112,803.84x = 169,205.76 × 29,710.08 - Step 4: Simplify right side
112,803.84x = 5,027,116,666.06 - Step 5: Solve for x
x = 5,027,116,666.06/112,803.84 - Step 6: Final answer
x = 44,565.12
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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.