Finding the Fourth Proportional to 340,876.35, 510,570.95 and 281,040.03
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Solution
The fourth proportional to 340,876.35, 510,570.95 and 281,040.03 is: 420,946.99
Step by Step Solution
- Step 1: Write the proportion equation
340,876.35 : 510,570.95 = 281,040.03 : x - Step 2: Convert to fraction form
340,876.35/510,570.95 = 281,040.03/x - Step 3: Cross multiply
340,876.35x = 510,570.95 × 281,040.03 - Step 4: Simplify right side
340,876.35x = 143,490,873,699.93 - Step 5: Solve for x
x = 143,490,873,699.93/340,876.35 - Step 6: Final answer
x = 420,946.99
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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.