Finding the Fourth Proportional to 865,881.24, 1,298,943.80 and 266,890.68
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Solution
The fourth proportional to 865,881.24, 1,298,943.80 and 266,890.68 is: 400,373.61
Step by Step Solution
- Step 1: Write the proportion equation
865,881.24 : 1,298,943.80 = 266,890.68 : x - Step 2: Convert to fraction form
865,881.24/1,298,943.80 = 266,890.68/x - Step 3: Cross multiply
865,881.24x = 1,298,943.80 × 266,890.68 - Step 4: Simplify right side
865,881.24x = 346,675,994,063.78 - Step 5: Solve for x
x = 346,675,994,063.78/865,881.24 - Step 6: Final answer
x = 400,373.61
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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.