Finding the Fourth Proportional to 152,045.02, 209,821.60 and 84,977.02
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Solution
The fourth proportional to 152,045.02, 209,821.60 and 84,977.02 is: 117,267.99
Step by Step Solution
- Step 1: Write the proportion equation
152,045.02 : 209,821.60 = 84,977.02 : x - Step 2: Convert to fraction form
152,045.02/209,821.60 = 84,977.02/x - Step 3: Cross multiply
152,045.02x = 209,821.60 × 84,977.02 - Step 4: Simplify right side
152,045.02x = 17,830,014,299.63 - Step 5: Solve for x
x = 17,830,014,299.63/152,045.02 - Step 6: Final answer
x = 117,267.99
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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.