Finding the Fourth Proportional to 163,925.80, 245,888.70 and 148,373.80
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Solution
The fourth proportional to 163,925.80, 245,888.70 and 148,373.80 is: 222,560.70
Step by Step Solution
- Step 1: Write the proportion equation
163,925.80 : 245,888.70 = 148,373.80 : x - Step 2: Convert to fraction form
163,925.80/245,888.70 = 148,373.80/x - Step 3: Cross multiply
163,925.80x = 245,888.70 × 148,373.80 - Step 4: Simplify right side
163,925.80x = 36,483,440,796.06 - Step 5: Solve for x
x = 36,483,440,796.06/163,925.80 - Step 6: Final answer
x = 222,560.70
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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.