Finding the Fourth Proportional to 293,643.40, 441,386.70 and 288,113.80
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Solution
The fourth proportional to 293,643.40, 441,386.70 and 288,113.80 is: 433,074.95
Step by Step Solution
- Step 1: Write the proportion equation
293,643.40 : 441,386.70 = 288,113.80 : x - Step 2: Convert to fraction form
293,643.40/441,386.70 = 288,113.80/x - Step 3: Cross multiply
293,643.40x = 441,386.70 × 288,113.80 - Step 4: Simplify right side
293,643.40x = 127,169,599,406.46 - Step 5: Solve for x
x = 127,169,599,406.46/293,643.40 - Step 6: Final answer
x = 433,074.95
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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.