Finding the Fourth Proportional to 417,876.73, 576,638.37 and 236,547.09
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Solution
The fourth proportional to 417,876.73, 576,638.37 and 236,547.09 is: 326,417.15
Step by Step Solution
- Step 1: Write the proportion equation
417,876.73 : 576,638.37 = 236,547.09 : x - Step 2: Convert to fraction form
417,876.73/576,638.37 = 236,547.09/x - Step 3: Cross multiply
417,876.73x = 576,638.37 × 236,547.09 - Step 4: Simplify right side
417,876.73x = 136,402,128,405.84 - Step 5: Solve for x
x = 136,402,128,405.84/417,876.73 - Step 6: Final answer
x = 326,417.15
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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.