Finding the Fourth Proportional to 377,148.99, 520,465.58 and 207,383.11
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Solution
The fourth proportional to 377,148.99, 520,465.58 and 207,383.11 is: 286,188.68
Step by Step Solution
- Step 1: Write the proportion equation
377,148.99 : 520,465.58 = 207,383.11 : x - Step 2: Convert to fraction form
377,148.99/520,465.58 = 207,383.11/x - Step 3: Cross multiply
377,148.99x = 520,465.58 × 207,383.11 - Step 4: Simplify right side
377,148.99x = 107,935,769,948.51 - Step 5: Solve for x
x = 107,935,769,948.51/377,148.99 - Step 6: Final answer
x = 286,188.68
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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.