Finding the Fourth Proportional to 257,162.28, 354,807.18 and 166,374.48
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Solution
The fourth proportional to 257,162.28, 354,807.18 and 166,374.48 is: 229,547.12
Step by Step Solution
- Step 1: Write the proportion equation
257,162.28 : 354,807.18 = 166,374.48 : x - Step 2: Convert to fraction form
257,162.28/354,807.18 = 166,374.48/x - Step 3: Cross multiply
257,162.28x = 354,807.18 × 166,374.48 - Step 4: Simplify right side
257,162.28x = 59,030,860,072.77 - Step 5: Solve for x
x = 59,030,860,072.77/257,162.28 - Step 6: Final answer
x = 229,547.12
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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.