Finding the Fourth Proportional to 497,465.04, 686,526.09 and 279,742.23
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Solution
The fourth proportional to 497,465.04, 686,526.09 and 279,742.23 is: 386,057.96
Step by Step Solution
- Step 1: Write the proportion equation
497,465.04 : 686,526.09 = 279,742.23 : x - Step 2: Convert to fraction form
497,465.04/686,526.09 = 279,742.23/x - Step 3: Cross multiply
497,465.04x = 686,526.09 × 279,742.23 - Step 4: Simplify right side
497,465.04x = 192,050,339,369.78 - Step 5: Solve for x
x = 192,050,339,369.78/497,465.04 - Step 6: Final answer
x = 386,057.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.