Finding the Fourth Proportional to 436,591.23, 654,995.84 and 152,285.91
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Solution
The fourth proportional to 436,591.23, 654,995.84 and 152,285.91 is: 228,466.88
Step by Step Solution
- Step 1: Write the proportion equation
436,591.23 : 654,995.84 = 152,285.91 : x - Step 2: Convert to fraction form
436,591.23/654,995.84 = 152,285.91/x - Step 3: Cross multiply
436,591.23x = 654,995.84 × 152,285.91 - Step 4: Simplify right side
436,591.23x = 99,746,636,779.18 - Step 5: Solve for x
x = 99,746,636,779.18/436,591.23 - Step 6: Final answer
x = 228,466.88
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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.