Finding the Fourth Proportional to 581,588.08, 872,521.53 and 281,718.18
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Solution
The fourth proportional to 581,588.08, 872,521.53 and 281,718.18 is: 422,644.79
Step by Step Solution
- Step 1: Write the proportion equation
581,588.08 : 872,521.53 = 281,718.18 : x - Step 2: Convert to fraction form
581,588.08/872,521.53 = 281,718.18/x - Step 3: Cross multiply
581,588.08x = 872,521.53 × 281,718.18 - Step 4: Simplify right side
581,588.08x = 245,805,173,079.81 - Step 5: Solve for x
x = 245,805,173,079.81/581,588.08 - Step 6: Final answer
x = 422,644.79
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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.