Finding the Fourth Proportional to 497,485.62, 686,532.42 and 282,637.49
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Solution
The fourth proportional to 497,485.62, 686,532.42 and 282,637.49 is: 390,041.02
Step by Step Solution
- Step 1: Write the proportion equation
497,485.62 : 686,532.42 = 282,637.49 : x - Step 2: Convert to fraction form
497,485.62/686,532.42 = 282,637.49/x - Step 3: Cross multiply
497,485.62x = 686,532.42 × 282,637.49 - Step 4: Simplify right side
497,485.62x = 194,039,796,559.76 - Step 5: Solve for x
x = 194,039,796,559.76/497,485.62 - Step 6: Final answer
x = 390,041.02
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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.