Finding the Fourth Proportional to 512,465.98, 707,208.35 and 283,029.01
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Solution
The fourth proportional to 512,465.98, 707,208.35 and 283,029.01 is: 390,582.96
Step by Step Solution
- Step 1: Write the proportion equation
512,465.98 : 707,208.35 = 283,029.01 : x - Step 2: Convert to fraction form
512,465.98/707,208.35 = 283,029.01/x - Step 3: Cross multiply
512,465.98x = 707,208.35 × 283,029.01 - Step 4: Simplify right side
512,465.98x = 200,160,479,164.23 - Step 5: Solve for x
x = 200,160,479,164.23/512,465.98 - Step 6: Final answer
x = 390,582.96
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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.