Finding the Fourth Proportional to 865,872.18, 1,298,746.71 and 266,771.07
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Solution
The fourth proportional to 865,872.18, 1,298,746.71 and 266,771.07 is: 400,137.64
Step by Step Solution
- Step 1: Write the proportion equation
865,872.18 : 1,298,746.71 = 266,771.07 : x - Step 2: Convert to fraction form
865,872.18/1,298,746.71 = 266,771.07/x - Step 3: Cross multiply
865,872.18x = 1,298,746.71 × 266,771.07 - Step 4: Simplify right side
865,872.18x = 346,468,049,485.68 - Step 5: Solve for x
x = 346,468,049,485.68/865,872.18 - Step 6: Final answer
x = 400,137.64
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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.