Finding the Fourth Proportional to 152,024.18, 209,849.74 and 91,598.18
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Solution
The fourth proportional to 152,024.18, 209,849.74 and 91,598.18 is: 126,439.45
Step by Step Solution
- Step 1: Write the proportion equation
152,024.18 : 209,849.74 = 91,598.18 : x - Step 2: Convert to fraction form
152,024.18/209,849.74 = 91,598.18/x - Step 3: Cross multiply
152,024.18x = 209,849.74 × 91,598.18 - Step 4: Simplify right side
152,024.18x = 19,221,852,979.23 - Step 5: Solve for x
x = 19,221,852,979.23/152,024.18 - Step 6: Final answer
x = 126,439.45
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1.5x scale
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.