Finding the Fourth Proportional to 152,052.29, 209,813.84 and 84,060.08
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Solution
The fourth proportional to 152,052.29, 209,813.84 and 84,060.08 is: 115,992.78
Step by Step Solution
- Step 1: Write the proportion equation
152,052.29 : 209,813.84 = 84,060.08 : x - Step 2: Convert to fraction form
152,052.29/209,813.84 = 84,060.08/x - Step 3: Cross multiply
152,052.29x = 209,813.84 × 84,060.08 - Step 4: Simplify right side
152,052.29x = 17,636,968,281.00 - Step 5: Solve for x
x = 17,636,968,281.00/152,052.29 - Step 6: Final answer
x = 115,992.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.