Finding the Fourth Proportional to 621,252.08, 931,724.14 and 266,225.84
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Solution
The fourth proportional to 621,252.08, 931,724.14 and 266,225.84 is: 399,272.77
Step by Step Solution
- Step 1: Write the proportion equation
621,252.08 : 931,724.14 = 266,225.84 : x - Step 2: Convert to fraction form
621,252.08/931,724.14 = 266,225.84/x - Step 3: Cross multiply
621,252.08x = 931,724.14 × 266,225.84 - Step 4: Simplify right side
621,252.08x = 248,049,041,819.78 - Step 5: Solve for x
x = 248,049,041,819.78/621,252.08 - Step 6: Final answer
x = 399,272.77
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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.