Finding the Fourth Proportional to 291,970.62, 437,954.97 and 70,354.62
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Solution
The fourth proportional to 291,970.62, 437,954.97 and 70,354.62 is: 105,531.70
Step by Step Solution
- Step 1: Write the proportion equation
291,970.62 : 437,954.97 = 70,354.62 : x - Step 2: Convert to fraction form
291,970.62/437,954.97 = 70,354.62/x - Step 3: Cross multiply
291,970.62x = 437,954.97 × 70,354.62 - Step 4: Simplify right side
291,970.62x = 30,812,155,491.46 - Step 5: Solve for x
x = 30,812,155,491.46/291,970.62 - Step 6: Final answer
x = 105,531.70
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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.