Finding the Fourth Proportional to 286,428.11, 429,525.12 and 124,332.53
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Solution
The fourth proportional to 286,428.11, 429,525.12 and 124,332.53 is: 186,447.99
Step by Step Solution
- Step 1: Write the proportion equation
286,428.11 : 429,525.12 = 124,332.53 : x - Step 2: Convert to fraction form
286,428.11/429,525.12 = 124,332.53/x - Step 3: Cross multiply
286,428.11x = 429,525.12 × 124,332.53 - Step 4: Simplify right side
286,428.11x = 53,403,944,868.15 - Step 5: Solve for x
x = 53,403,944,868.15/286,428.11 - Step 6: Final answer
x = 186,447.99
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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.