Finding the Fourth Proportional to 291,217.71, 436,931.69 and 101,705.98
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Solution
The fourth proportional to 291,217.71, 436,931.69 and 101,705.98 is: 152,595.68
Step by Step Solution
- Step 1: Write the proportion equation
291,217.71 : 436,931.69 = 101,705.98 : x - Step 2: Convert to fraction form
291,217.71/436,931.69 = 101,705.98/x - Step 3: Cross multiply
291,217.71x = 436,931.69 × 101,705.98 - Step 4: Simplify right side
291,217.71x = 44,438,565,724.51 - Step 5: Solve for x
x = 44,438,565,724.51/291,217.71 - Step 6: Final answer
x = 152,595.68
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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.