Finding the Fourth Proportional to 97,369.66, 145,236.41 and 88,400.23
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Solution
The fourth proportional to 97,369.66, 145,236.41 and 88,400.23 is: 131,857.62
Step by Step Solution
- Step 1: Write the proportion equation
97,369.66 : 145,236.41 = 88,400.23 : x - Step 2: Convert to fraction form
97,369.66/145,236.41 = 88,400.23/x - Step 3: Cross multiply
97,369.66x = 145,236.41 × 88,400.23 - Step 4: Simplify right side
97,369.66x = 12,838,931,574.78 - Step 5: Solve for x
x = 12,838,931,574.78/97,369.66 - Step 6: Final answer
x = 131,857.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.