Finding the Fourth Proportional to 542,140.99, 813,106.34 and 205,207.95
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Solution
The fourth proportional to 542,140.99, 813,106.34 and 205,207.95 is: 307,772.12
Step by Step Solution
- Step 1: Write the proportion equation
542,140.99 : 813,106.34 = 205,207.95 : x - Step 2: Convert to fraction form
542,140.99/813,106.34 = 205,207.95/x - Step 3: Cross multiply
542,140.99x = 813,106.34 × 205,207.95 - Step 4: Simplify right side
542,140.99x = 166,855,880,071.83 - Step 5: Solve for x
x = 166,855,880,071.83/542,140.99 - Step 6: Final answer
x = 307,772.12
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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.