Finding the Fourth Proportional to 153,285.99, 229,987.50 and 59,799.03
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Solution
The fourth proportional to 153,285.99, 229,987.50 and 59,799.03 is: 89,721.37
Step by Step Solution
- Step 1: Write the proportion equation
153,285.99 : 229,987.50 = 59,799.03 : x - Step 2: Convert to fraction form
153,285.99/229,987.50 = 59,799.03/x - Step 3: Cross multiply
153,285.99x = 229,987.50 × 59,799.03 - Step 4: Simplify right side
153,285.99x = 13,753,029,412.13 - Step 5: Solve for x
x = 13,753,029,412.13/153,285.99 - Step 6: Final answer
x = 89,721.37
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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.