Finding the Fourth Proportional to 497,436.84, 686,267.98 and 306,118.08
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Solution
The fourth proportional to 497,436.84, 686,267.98 and 306,118.08 is: 422,323.03
Step by Step Solution
- Step 1: Write the proportion equation
497,436.84 : 686,267.98 = 306,118.08 : x - Step 2: Convert to fraction form
497,436.84/686,267.98 = 306,118.08/x - Step 3: Cross multiply
497,436.84x = 686,267.98 × 306,118.08 - Step 4: Simplify right side
497,436.84x = 210,079,035,637.78 - Step 5: Solve for x
x = 210,079,035,637.78/497,436.84 - Step 6: Final answer
x = 422,323.03
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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.