Finding the Fourth Proportional to 97,698.68, 146,545.28 and 31,142.80
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Solution
The fourth proportional to 97,698.68, 146,545.28 and 31,142.80 is: 46,713.33
Step by Step Solution
- Step 1: Write the proportion equation
97,698.68 : 146,545.28 = 31,142.80 : x - Step 2: Convert to fraction form
97,698.68/146,545.28 = 31,142.80/x - Step 3: Cross multiply
97,698.68x = 146,545.28 × 31,142.80 - Step 4: Simplify right side
97,698.68x = 4,563,830,345.98 - Step 5: Solve for x
x = 4,563,830,345.98/97,698.68 - Step 6: Final answer
x = 46,713.33
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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.