Finding the Fourth Proportional to 291,867.68, 437,801.64 and 70,251.68
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Solution
The fourth proportional to 291,867.68, 437,801.64 and 70,251.68 is: 105,377.55
Step by Step Solution
- Step 1: Write the proportion equation
291,867.68 : 437,801.64 = 70,251.68 : x - Step 2: Convert to fraction form
291,867.68/437,801.64 = 70,251.68/x - Step 3: Cross multiply
291,867.68x = 437,801.64 × 70,251.68 - Step 4: Simplify right side
291,867.68x = 30,756,300,716.76 - Step 5: Solve for x
x = 30,756,300,716.76/291,867.68 - Step 6: Final answer
x = 105,377.55
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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.