Finding the Fourth Proportional to 84,417.84, 116,488.79 and 46,691.28
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Solution
The fourth proportional to 84,417.84, 116,488.79 and 46,691.28 is: 64,429.64
Step by Step Solution
- Step 1: Write the proportion equation
84,417.84 : 116,488.79 = 46,691.28 : x - Step 2: Convert to fraction form
84,417.84/116,488.79 = 46,691.28/x - Step 3: Cross multiply
84,417.84x = 116,488.79 × 46,691.28 - Step 4: Simplify right side
84,417.84x = 5,439,010,710.75 - Step 5: Solve for x
x = 5,439,010,710.75/84,417.84 - Step 6: Final answer
x = 64,429.64
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1.5x scale
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.