Finding the Fourth Proportional to 242,424.41, 334,545.68 and 140,508.99
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Solution
The fourth proportional to 242,424.41, 334,545.68 and 140,508.99 is: 193,902.40
Step by Step Solution
- Step 1: Write the proportion equation
242,424.41 : 334,545.68 = 140,508.99 : x - Step 2: Convert to fraction form
242,424.41/334,545.68 = 140,508.99/x - Step 3: Cross multiply
242,424.41x = 334,545.68 × 140,508.99 - Step 4: Simplify right side
242,424.41x = 47,006,674,903.12 - Step 5: Solve for x
x = 47,006,674,903.12/242,424.41 - Step 6: Final answer
x = 193,902.40
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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.