Finding the Fourth Proportional to 158,953.47, 219,366.27 and 87,334.08
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Solution
The fourth proportional to 158,953.47, 219,366.27 and 87,334.08 is: 120,526.79
Step by Step Solution
- Step 1: Write the proportion equation
158,953.47 : 219,366.27 = 87,334.08 : x - Step 2: Convert to fraction form
158,953.47/219,366.27 = 87,334.08/x - Step 3: Cross multiply
158,953.47x = 219,366.27 × 87,334.08 - Step 4: Simplify right side
158,953.47x = 19,158,151,373.48 - Step 5: Solve for x
x = 19,158,151,373.48/158,953.47 - Step 6: Final answer
x = 120,526.79
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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.