Finding the Fourth Proportional to 153,541.44, 211,850.10 and 86,473.44
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Solution
The fourth proportional to 153,541.44, 211,850.10 and 86,473.44 is: 119,312.46
Step by Step Solution
- Step 1: Write the proportion equation
153,541.44 : 211,850.10 = 86,473.44 : x - Step 2: Convert to fraction form
153,541.44/211,850.10 = 86,473.44/x - Step 3: Cross multiply
153,541.44x = 211,850.10 × 86,473.44 - Step 4: Simplify right side
153,541.44x = 18,319,406,911.34 - Step 5: Solve for x
x = 18,319,406,911.34/153,541.44 - Step 6: Final answer
x = 119,312.46
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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.