Finding the Fourth Proportional to 163,711.76, 245,572.80 and 45,384.08
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Solution
The fourth proportional to 163,711.76, 245,572.80 and 45,384.08 is: 68,077.55
Step by Step Solution
- Step 1: Write the proportion equation
163,711.76 : 245,572.80 = 45,384.08 : x - Step 2: Convert to fraction form
163,711.76/245,572.80 = 45,384.08/x - Step 3: Cross multiply
163,711.76x = 245,572.80 × 45,384.08 - Step 4: Simplify right side
163,711.76x = 11,145,095,601.02 - Step 5: Solve for x
x = 11,145,095,601.02/163,711.76 - Step 6: Final answer
x = 68,077.55
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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.