Finding the Fourth Proportional to 343,756.06, 515,648.07 and 163,748.95
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Solution
The fourth proportional to 343,756.06, 515,648.07 and 163,748.95 is: 245,630.08
Step by Step Solution
- Step 1: Write the proportion equation
343,756.06 : 515,648.07 = 163,748.95 : x - Step 2: Convert to fraction form
343,756.06/515,648.07 = 163,748.95/x - Step 3: Cross multiply
343,756.06x = 515,648.07 × 163,748.95 - Step 4: Simplify right side
343,756.06x = 84,436,830,032.03 - Step 5: Solve for x
x = 84,436,830,032.03/343,756.06 - Step 6: Final answer
x = 245,630.08
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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.