Finding the Fourth Proportional to 243,498.75, 365,330.14 and 153,436.87
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Solution
The fourth proportional to 243,498.75, 365,330.14 and 153,436.87 is: 230,206.99
Step by Step Solution
- Step 1: Write the proportion equation
243,498.75 : 365,330.14 = 153,436.87 : x - Step 2: Convert to fraction form
243,498.75/365,330.14 = 153,436.87/x - Step 3: Cross multiply
243,498.75x = 365,330.14 × 153,436.87 - Step 4: Simplify right side
243,498.75x = 56,055,113,271.33 - Step 5: Solve for x
x = 56,055,113,271.33/243,498.75 - Step 6: Final answer
x = 230,206.99
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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.