Finding the Fourth Proportional to 514,298.92, 771,386.95 and 135,249.19
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Solution
The fourth proportional to 514,298.92, 771,386.95 and 135,249.19 is: 202,857.63
Step by Step Solution
- Step 1: Write the proportion equation
514,298.92 : 771,386.95 = 135,249.19 : x - Step 2: Convert to fraction form
514,298.92/771,386.95 = 135,249.19/x - Step 3: Cross multiply
514,298.92x = 771,386.95 × 135,249.19 - Step 4: Simplify right side
514,298.92x = 104,329,460,164.07 - Step 5: Solve for x
x = 104,329,460,164.07/514,298.92 - Step 6: Final answer
x = 202,857.63
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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.