Finding the Fourth Proportional to 166,117.80, 249,176.70 and 157,369.80
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Solution
The fourth proportional to 166,117.80, 249,176.70 and 157,369.80 is: 236,054.70
Step by Step Solution
- Step 1: Write the proportion equation
166,117.80 : 249,176.70 = 157,369.80 : x - Step 2: Convert to fraction form
166,117.80/249,176.70 = 157,369.80/x - Step 3: Cross multiply
166,117.80x = 249,176.70 × 157,369.80 - Step 4: Simplify right side
166,117.80x = 39,212,887,443.66 - Step 5: Solve for x
x = 39,212,887,443.66/166,117.80 - Step 6: Final answer
x = 236,054.70
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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.