Finding the Fourth Proportional to 272,663.08, 376,177.66 and 157,879.06
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Solution
The fourth proportional to 272,663.08, 376,177.66 and 157,879.06 is: 217,816.71
Step by Step Solution
- Step 1: Write the proportion equation
272,663.08 : 376,177.66 = 157,879.06 : x - Step 2: Convert to fraction form
272,663.08/376,177.66 = 157,879.06/x - Step 3: Cross multiply
272,663.08x = 376,177.66 × 157,879.06 - Step 4: Simplify right side
272,663.08x = 59,390,574,018.66 - Step 5: Solve for x
x = 59,390,574,018.66/272,663.08 - Step 6: Final answer
x = 217,816.71
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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.