Finding the Fourth Proportional to 343,690.90, 515,998.05 and 201,681.70
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Solution
The fourth proportional to 343,690.90, 515,998.05 and 201,681.70 is: 302,793.48
Step by Step Solution
- Step 1: Write the proportion equation
343,690.90 : 515,998.05 = 201,681.70 : x - Step 2: Convert to fraction form
343,690.90/515,998.05 = 201,681.70/x - Step 3: Cross multiply
343,690.90x = 515,998.05 × 201,681.70 - Step 4: Simplify right side
343,690.90x = 104,067,363,920.69 - Step 5: Solve for x
x = 104,067,363,920.69/343,690.90 - Step 6: Final answer
x = 302,793.48
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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.