Finding the Fourth Proportional to 438,193.13, 604,706.51 and 236,989.13
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Solution
The fourth proportional to 438,193.13, 604,706.51 and 236,989.13 is: 327,044.99
Step by Step Solution
- Step 1: Write the proportion equation
438,193.13 : 604,706.51 = 236,989.13 : x - Step 2: Convert to fraction form
438,193.13/604,706.51 = 236,989.13/x - Step 3: Cross multiply
438,193.13x = 604,706.51 × 236,989.13 - Step 4: Simplify right side
438,193.13x = 143,308,867,279.18 - Step 5: Solve for x
x = 143,308,867,279.18/438,193.13 - Step 6: Final answer
x = 327,044.99
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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.