Finding the Fourth Proportional to 155,444.10, 232,031.24 and 133,399.14
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Solution
The fourth proportional to 155,444.10, 232,031.24 and 133,399.14 is: 199,124.75
Step by Step Solution
- Step 1: Write the proportion equation
155,444.10 : 232,031.24 = 133,399.14 : x - Step 2: Convert to fraction form
155,444.10/232,031.24 = 133,399.14/x - Step 3: Cross multiply
155,444.10x = 232,031.24 × 133,399.14 - Step 4: Simplify right side
155,444.10x = 30,952,767,202.14 - Step 5: Solve for x
x = 30,952,767,202.14/155,444.10 - Step 6: Final answer
x = 199,124.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.