Finding the Fourth Proportional to 162,192.68, 243,262.61 and 56,987.09
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Solution
The fourth proportional to 162,192.68, 243,262.61 and 56,987.09 is: 85,471.35
Step by Step Solution
- Step 1: Write the proportion equation
162,192.68 : 243,262.61 = 56,987.09 : x - Step 2: Convert to fraction form
162,192.68/243,262.61 = 56,987.09/x - Step 3: Cross multiply
162,192.68x = 243,262.61 × 56,987.09 - Step 4: Simplify right side
162,192.68x = 13,862,827,964.77 - Step 5: Solve for x
x = 13,862,827,964.77/162,192.68 - Step 6: Final answer
x = 85,471.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.