Finding the Fourth Proportional to 163,966.42, 245,958.51 and 51,655.48
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Solution
The fourth proportional to 163,966.42, 245,958.51 and 51,655.48 is: 77,486.02
Step by Step Solution
- Step 1: Write the proportion equation
163,966.42 : 245,958.51 = 51,655.48 : x - Step 2: Convert to fraction form
163,966.42/245,958.51 = 51,655.48/x - Step 3: Cross multiply
163,966.42x = 245,958.51 × 51,655.48 - Step 4: Simplify right side
163,966.42x = 12,705,104,894.13 - Step 5: Solve for x
x = 12,705,104,894.13/163,966.42 - Step 6: Final answer
x = 77,486.02
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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.