Finding the Fourth Proportional to 147,430.52, 203,247.98 and 124,678.02
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Solution
The fourth proportional to 147,430.52, 203,247.98 and 124,678.02 is: 171,881.34
Step by Step Solution
- Step 1: Write the proportion equation
147,430.52 : 203,247.98 = 124,678.02 : x - Step 2: Convert to fraction form
147,430.52/203,247.98 = 124,678.02/x - Step 3: Cross multiply
147,430.52x = 203,247.98 × 124,678.02 - Step 4: Simplify right side
147,430.52x = 25,340,555,715.40 - Step 5: Solve for x
x = 25,340,555,715.40/147,430.52 - Step 6: Final answer
x = 171,881.34
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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.