Finding the Fourth Proportional to 291,711.84, 437,567.73 and 70,095.84
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Solution
The fourth proportional to 291,711.84, 437,567.73 and 70,095.84 is: 105,143.75
Step by Step Solution
- Step 1: Write the proportion equation
291,711.84 : 437,567.73 = 70,095.84 : x - Step 2: Convert to fraction form
291,711.84/437,567.73 = 70,095.84/x - Step 3: Cross multiply
291,711.84x = 437,567.73 × 70,095.84 - Step 4: Simplify right side
291,711.84x = 30,671,677,591.24 - Step 5: Solve for x
x = 30,671,677,591.24/291,711.84 - Step 6: Final answer
x = 105,143.75
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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.