Finding the Fourth Proportional to 163,053.30, 244,579.95 and 143,807.70
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Solution
The fourth proportional to 163,053.30, 244,579.95 and 143,807.70 is: 215,711.55
Step by Step Solution
- Step 1: Write the proportion equation
163,053.30 : 244,579.95 = 143,807.70 : x - Step 2: Convert to fraction form
163,053.30/244,579.95 = 143,807.70/x - Step 3: Cross multiply
163,053.30x = 244,579.95 × 143,807.70 - Step 4: Simplify right side
163,053.30x = 35,172,480,075.62 - Step 5: Solve for x
x = 35,172,480,075.62/163,053.30 - Step 6: Final answer
x = 215,711.55
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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.