Finding the Fourth Proportional to 74,154.02, 102,332.86 and 40,162.91
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Solution
The fourth proportional to 74,154.02, 102,332.86 and 40,162.91 is: 55,424.99
Step by Step Solution
- Step 1: Write the proportion equation
74,154.02 : 102,332.86 = 40,162.91 : x - Step 2: Convert to fraction form
74,154.02/102,332.86 = 40,162.91/x - Step 3: Cross multiply
74,154.02x = 102,332.86 × 40,162.91 - Step 4: Simplify right side
74,154.02x = 4,109,985,446.22 - Step 5: Solve for x
x = 4,109,985,446.22/74,154.02 - Step 6: Final answer
x = 55,424.99
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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.