Finding the Fourth Proportional to 422,395.16, 633,593.64 and 102,545.84
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Solution
The fourth proportional to 422,395.16, 633,593.64 and 102,545.84 is: 153,818.98
Step by Step Solution
- Step 1: Write the proportion equation
422,395.16 : 633,593.64 = 102,545.84 : x - Step 2: Convert to fraction form
422,395.16/633,593.64 = 102,545.84/x - Step 3: Cross multiply
422,395.16x = 633,593.64 × 102,545.84 - Step 4: Simplify right side
422,395.16x = 64,972,392,032.46 - Step 5: Solve for x
x = 64,972,392,032.46/422,395.16 - Step 6: Final answer
x = 153,818.98
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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.