Finding the Fourth Proportional to 688,180.06, 1,032,269.71 and 214,905.98
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Solution
The fourth proportional to 688,180.06, 1,032,269.71 and 214,905.98 is: 322,358.85
Step by Step Solution
- Step 1: Write the proportion equation
688,180.06 : 1,032,269.71 = 214,905.98 : x - Step 2: Convert to fraction form
688,180.06/1,032,269.71 = 214,905.98/x - Step 3: Cross multiply
688,180.06x = 1,032,269.71 × 214,905.98 - Step 4: Simplify right side
688,180.06x = 221,840,933,651.87 - Step 5: Solve for x
x = 221,840,933,651.87/688,180.06 - Step 6: Final answer
x = 322,358.85
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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.