Finding the Fourth Proportional to 158,847.04, 219,248.58 and 98,381.44
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Solution
The fourth proportional to 158,847.04, 219,248.58 and 98,381.44 is: 135,790.95
Step by Step Solution
- Step 1: Write the proportion equation
158,847.04 : 219,248.58 = 98,381.44 : x - Step 2: Convert to fraction form
158,847.04/219,248.58 = 98,381.44/x - Step 3: Cross multiply
158,847.04x = 219,248.58 × 98,381.44 - Step 4: Simplify right side
158,847.04x = 21,569,991,018.36 - Step 5: Solve for x
x = 21,569,991,018.36/158,847.04 - Step 6: Final answer
x = 135,790.95
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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.