Finding the Fourth Proportional to 163,901.30, 245,851.95 and 144,655.70
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Solution
The fourth proportional to 163,901.30, 245,851.95 and 144,655.70 is: 216,983.55
Step by Step Solution
- Step 1: Write the proportion equation
163,901.30 : 245,851.95 = 144,655.70 : x - Step 2: Convert to fraction form
163,901.30/245,851.95 = 144,655.70/x - Step 3: Cross multiply
163,901.30x = 245,851.95 × 144,655.70 - Step 4: Simplify right side
163,901.30x = 35,563,885,923.62 - Step 5: Solve for x
x = 35,563,885,923.62/163,901.30 - Step 6: Final answer
x = 216,983.55
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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.