Finding the Fourth Proportional to 291,931.80, 437,895.06 and 92,252.19
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Solution
The fourth proportional to 291,931.80, 437,895.06 and 92,252.19 is: 138,377.45
Step by Step Solution
- Step 1: Write the proportion equation
291,931.80 : 437,895.06 = 92,252.19 : x - Step 2: Convert to fraction form
291,931.80/437,895.06 = 92,252.19/x - Step 3: Cross multiply
291,931.80x = 437,895.06 × 92,252.19 - Step 4: Simplify right side
291,931.80x = 40,396,778,275.18 - Step 5: Solve for x
x = 40,396,778,275.18/291,931.80 - Step 6: Final answer
x = 138,377.45
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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.