Finding the Fourth Proportional to 635,543.36, 953,314.20 and 162,228.80
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Solution
The fourth proportional to 635,543.36, 953,314.20 and 162,228.80 is: 243,342.99
Step by Step Solution
- Step 1: Write the proportion equation
635,543.36 : 953,314.20 = 162,228.80 : x - Step 2: Convert to fraction form
635,543.36/953,314.20 = 162,228.80/x - Step 3: Cross multiply
635,543.36x = 953,314.20 × 162,228.80 - Step 4: Simplify right side
635,543.36x = 154,655,018,688.96 - Step 5: Solve for x
x = 154,655,018,688.96/635,543.36 - Step 6: Final answer
x = 243,342.99
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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.