Finding the Fourth Proportional to 286,827.84, 430,194.98 and 84,376.59
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Solution
The fourth proportional to 286,827.84, 430,194.98 and 84,376.59 is: 126,551.12
Step by Step Solution
- Step 1: Write the proportion equation
286,827.84 : 430,194.98 = 84,376.59 : x - Step 2: Convert to fraction form
286,827.84/430,194.98 = 84,376.59/x - Step 3: Cross multiply
286,827.84x = 430,194.98 × 84,376.59 - Step 4: Simplify right side
286,827.84x = 36,298,384,045.23 - Step 5: Solve for x
x = 36,298,384,045.23/286,827.84 - Step 6: Final answer
x = 126,551.12
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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.