Finding the Fourth Proportional to 243,873.12, 336,575.76 and 148,374.08
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Solution
The fourth proportional to 243,873.12, 336,575.76 and 148,374.08 is: 204,775.00
Step by Step Solution
- Step 1: Write the proportion equation
243,873.12 : 336,575.76 = 148,374.08 : x - Step 2: Convert to fraction form
243,873.12/336,575.76 = 148,374.08/x - Step 3: Cross multiply
243,873.12x = 336,575.76 × 148,374.08 - Step 4: Simplify right side
243,873.12x = 49,939,118,740.30 - Step 5: Solve for x
x = 49,939,118,740.30/243,873.12 - Step 6: Final answer
x = 204,775.00
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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.