Finding the Fourth Proportional to 157,927.78, 237,055.74 and 91,497.70
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Solution
The fourth proportional to 157,927.78, 237,055.74 and 91,497.70 is: 137,341.61
Step by Step Solution
- Step 1: Write the proportion equation
157,927.78 : 237,055.74 = 91,497.70 : x - Step 2: Convert to fraction form
157,927.78/237,055.74 = 91,497.70/x - Step 3: Cross multiply
157,927.78x = 237,055.74 × 91,497.70 - Step 4: Simplify right side
157,927.78x = 21,690,054,981.80 - Step 5: Solve for x
x = 21,690,054,981.80/157,927.78 - Step 6: Final answer
x = 137,341.61
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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.