Finding the Fourth Proportional to 152,880.13, 210,967.44 and 84,901.42
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Solution
The fourth proportional to 152,880.13, 210,967.44 and 84,901.42 is: 117,159.99
Step by Step Solution
- Step 1: Write the proportion equation
152,880.13 : 210,967.44 = 84,901.42 : x - Step 2: Convert to fraction form
152,880.13/210,967.44 = 84,901.42/x - Step 3: Cross multiply
152,880.13x = 210,967.44 × 84,901.42 - Step 4: Simplify right side
152,880.13x = 17,911,435,229.76 - Step 5: Solve for x
x = 17,911,435,229.76/152,880.13 - Step 6: Final answer
x = 117,159.99
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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.