Finding the Fourth Proportional to 586,342.12, 879,549.66 and 212,368.36
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Solution
The fourth proportional to 586,342.12, 879,549.66 and 212,368.36 is: 318,565.75
Step by Step Solution
- Step 1: Write the proportion equation
586,342.12 : 879,549.66 = 212,368.36 : x - Step 2: Convert to fraction form
586,342.12/879,549.66 = 212,368.36/x - Step 3: Cross multiply
586,342.12x = 879,549.66 × 212,368.36 - Step 4: Simplify right side
586,342.12x = 186,788,518,832.76 - Step 5: Solve for x
x = 186,788,518,832.76/586,342.12 - Step 6: Final answer
x = 318,565.75
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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.