Finding the Fourth Proportional to 455,157.18, 628,353.14 and 332,511.93
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Solution
The fourth proportional to 455,157.18, 628,353.14 and 332,511.93 is: 459,039.04
Step by Step Solution
- Step 1: Write the proportion equation
455,157.18 : 628,353.14 = 332,511.93 : x - Step 2: Convert to fraction form
455,157.18/628,353.14 = 332,511.93/x - Step 3: Cross multiply
455,157.18x = 628,353.14 × 332,511.93 - Step 4: Simplify right side
455,157.18x = 208,934,913,640.40 - Step 5: Solve for x
x = 208,934,913,640.40/455,157.18 - Step 6: Final answer
x = 459,039.04
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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.