Finding the Fourth Proportional to 163,903.30, 245,854.95 and 144,657.70
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Solution
The fourth proportional to 163,903.30, 245,854.95 and 144,657.70 is: 216,986.55
Step by Step Solution
- Step 1: Write the proportion equation
163,903.30 : 245,854.95 = 144,657.70 : x - Step 2: Convert to fraction form
163,903.30/245,854.95 = 144,657.70/x - Step 3: Cross multiply
163,903.30x = 245,854.95 × 144,657.70 - Step 4: Simplify right side
163,903.30x = 35,564,811,600.62 - Step 5: Solve for x
x = 35,564,811,600.62/163,903.30 - Step 6: Final answer
x = 216,986.55
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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.