Finding the Fourth Proportional to 453,963.08, 626,456.23 and 260,403.09
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Solution
The fourth proportional to 453,963.08, 626,456.23 and 260,403.09 is: 359,348.90
Step by Step Solution
- Step 1: Write the proportion equation
453,963.08 : 626,456.23 = 260,403.09 : x - Step 2: Convert to fraction form
453,963.08/626,456.23 = 260,403.09/x - Step 3: Cross multiply
453,963.08x = 626,456.23 × 260,403.09 - Step 4: Simplify right side
453,963.08x = 163,131,135,041.53 - Step 5: Solve for x
x = 163,131,135,041.53/453,963.08 - Step 6: Final answer
x = 359,348.90
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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.