Finding the Fourth Proportional to 361,575.44, 542,368.63 and 136,875.55
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Solution
The fourth proportional to 361,575.44, 542,368.63 and 136,875.55 is: 205,315.39
Step by Step Solution
- Step 1: Write the proportion equation
361,575.44 : 542,368.63 = 136,875.55 : x - Step 2: Convert to fraction form
361,575.44/542,368.63 = 136,875.55/x - Step 3: Cross multiply
361,575.44x = 542,368.63 × 136,875.55 - Step 4: Simplify right side
361,575.44x = 74,237,001,822.15 - Step 5: Solve for x
x = 74,237,001,822.15/361,575.44 - Step 6: Final answer
x = 205,315.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.