Finding the Fourth Proportional to 417,587.95, 576,265.17 and 245,525.23
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Solution
The fourth proportional to 417,587.95, 576,265.17 and 245,525.23 is: 338,821.17
Step by Step Solution
- Step 1: Write the proportion equation
417,587.95 : 576,265.17 = 245,525.23 : x - Step 2: Convert to fraction form
417,587.95/576,265.17 = 245,525.23/x - Step 3: Cross multiply
417,587.95x = 576,265.17 × 245,525.23 - Step 4: Simplify right side
417,587.95x = 141,487,638,405.24 - Step 5: Solve for x
x = 141,487,638,405.24/417,587.95 - Step 6: Final answer
x = 338,821.17
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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.