Finding the Fourth Proportional to 152,722.08, 210,753.26 and 84,737.59
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Solution
The fourth proportional to 152,722.08, 210,753.26 and 84,737.59 is: 116,936.09
Step by Step Solution
- Step 1: Write the proportion equation
152,722.08 : 210,753.26 = 84,737.59 : x - Step 2: Convert to fraction form
152,722.08/210,753.26 = 84,737.59/x - Step 3: Cross multiply
152,722.08x = 210,753.26 × 84,737.59 - Step 4: Simplify right side
152,722.08x = 17,858,723,337.04 - Step 5: Solve for x
x = 17,858,723,337.04/152,722.08 - Step 6: Final answer
x = 116,936.09
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1.5x scale
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.