Finding the Fourth Proportional to 493,649.58, 740,503.08 and 138,691.26
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Solution
The fourth proportional to 493,649.58, 740,503.08 and 138,691.26 is: 208,044.96
Step by Step Solution
- Step 1: Write the proportion equation
493,649.58 : 740,503.08 = 138,691.26 : x - Step 2: Convert to fraction form
493,649.58/740,503.08 = 138,691.26/x - Step 3: Cross multiply
493,649.58x = 740,503.08 × 138,691.26 - Step 4: Simplify right side
493,649.58x = 102,701,305,199.08 - Step 5: Solve for x
x = 102,701,305,199.08/493,649.58 - Step 6: Final answer
x = 208,044.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.