Finding the Fourth Proportional to 291,272.20, 436,970.67 and 164,972.14
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Solution
The fourth proportional to 291,272.20, 436,970.67 and 164,972.14 is: 247,493.54
Step by Step Solution
- Step 1: Write the proportion equation
291,272.20 : 436,970.67 = 164,972.14 : x - Step 2: Convert to fraction form
291,272.20/436,970.67 = 164,972.14/x - Step 3: Cross multiply
291,272.20x = 436,970.67 × 164,972.14 - Step 4: Simplify right side
291,272.20x = 72,087,986,547.13 - Step 5: Solve for x
x = 72,087,986,547.13/291,272.20 - Step 6: Final answer
x = 247,493.54
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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.