Finding the Fourth Proportional to 152,048.98, 209,819.11 and 84,061.99
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Solution
The fourth proportional to 152,048.98, 209,819.11 and 84,061.99 is: 116,000.85
Step by Step Solution
- Step 1: Write the proportion equation
152,048.98 : 209,819.11 = 84,061.99 : x - Step 2: Convert to fraction form
152,048.98/209,819.11 = 84,061.99/x - Step 3: Cross multiply
152,048.98x = 209,819.11 × 84,061.99 - Step 4: Simplify right side
152,048.98x = 17,637,810,457.22 - Step 5: Solve for x
x = 17,637,810,457.22/152,048.98 - Step 6: Final answer
x = 116,000.85
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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.