Finding the Fourth Proportional to 286,426.11, 429,522.12 and 124,330.53
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Solution
The fourth proportional to 286,426.11, 429,522.12 and 124,330.53 is: 186,444.99
Step by Step Solution
- Step 1: Write the proportion equation
286,426.11 : 429,522.12 = 124,330.53 : x - Step 2: Convert to fraction form
286,426.11/429,522.12 = 124,330.53/x - Step 3: Cross multiply
286,426.11x = 429,522.12 × 124,330.53 - Step 4: Simplify right side
286,426.11x = 53,402,712,826.32 - Step 5: Solve for x
x = 53,402,712,826.32/286,426.11 - Step 6: Final answer
x = 186,444.99
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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.