Finding the Fourth Proportional to 158,827.18, 219,181.70 and 94,309.30
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Solution
The fourth proportional to 158,827.18, 219,181.70 and 94,309.30 is: 130,146.95
Step by Step Solution
- Step 1: Write the proportion equation
158,827.18 : 219,181.70 = 94,309.30 : x - Step 2: Convert to fraction form
158,827.18/219,181.70 = 94,309.30/x - Step 3: Cross multiply
158,827.18x = 219,181.70 × 94,309.30 - Step 4: Simplify right side
158,827.18x = 20,670,872,699.81 - Step 5: Solve for x
x = 20,670,872,699.81/158,827.18 - Step 6: Final answer
x = 130,146.95
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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.