Finding the Fourth Proportional to 478,303.23, 717,556.05 and 158,436.99
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Solution
The fourth proportional to 478,303.23, 717,556.05 and 158,436.99 is: 237,689.01
Step by Step Solution
- Step 1: Write the proportion equation
478,303.23 : 717,556.05 = 158,436.99 : x - Step 2: Convert to fraction form
478,303.23/717,556.05 = 158,436.99/x - Step 3: Cross multiply
478,303.23x = 717,556.05 × 158,436.99 - Step 4: Simplify right side
478,303.23x = 113,687,420,718.29 - Step 5: Solve for x
x = 113,687,420,718.29/478,303.23 - Step 6: Final answer
x = 237,689.01
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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.