Finding the Fourth Proportional to 153,530.99, 230,296.48 and 59,971.13
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Solution
The fourth proportional to 153,530.99, 230,296.48 and 59,971.13 is: 89,956.69
Step by Step Solution
- Step 1: Write the proportion equation
153,530.99 : 230,296.48 = 59,971.13 : x - Step 2: Convert to fraction form
153,530.99/230,296.48 = 59,971.13/x - Step 3: Cross multiply
153,530.99x = 230,296.48 × 59,971.13 - Step 4: Simplify right side
153,530.99x = 13,811,138,839.21 - Step 5: Solve for x
x = 13,811,138,839.21/153,530.99 - Step 6: Final answer
x = 89,956.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.