Finding the Fourth Proportional to 361,646.04, 542,394.84 and 136,929.12
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Solution
The fourth proportional to 361,646.04, 542,394.84 and 136,929.12 is: 205,365.58
Step by Step Solution
- Step 1: Write the proportion equation
361,646.04 : 542,394.84 = 136,929.12 : x - Step 2: Convert to fraction form
361,646.04/542,394.84 = 136,929.12/x - Step 3: Cross multiply
361,646.04x = 542,394.84 × 136,929.12 - Step 4: Simplify right side
361,646.04x = 74,269,648,133.74 - Step 5: Solve for x
x = 74,269,648,133.74/361,646.04 - Step 6: Final answer
x = 205,365.58
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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.