Finding the Fourth Proportional to 242,921.08, 335,232.98 and 135,498.12
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Solution
The fourth proportional to 242,921.08, 335,232.98 and 135,498.12 is: 186,988.46
Step by Step Solution
- Step 1: Write the proportion equation
242,921.08 : 335,232.98 = 135,498.12 : x - Step 2: Convert to fraction form
242,921.08/335,232.98 = 135,498.12/x - Step 3: Cross multiply
242,921.08x = 335,232.98 × 135,498.12 - Step 4: Simplify right side
242,921.08x = 45,423,438,552.00 - Step 5: Solve for x
x = 45,423,438,552.00/242,921.08 - Step 6: Final answer
x = 186,988.46
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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.