Finding the Fourth Proportional to 303,756.10, 455,590.95 and 104,085.70
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Solution
The fourth proportional to 303,756.10, 455,590.95 and 104,085.70 is: 156,113.75
Step by Step Solution
- Step 1: Write the proportion equation
303,756.10 : 455,590.95 = 104,085.70 : x - Step 2: Convert to fraction form
303,756.10/455,590.95 = 104,085.70/x - Step 3: Cross multiply
303,756.10x = 455,590.95 × 104,085.70 - Step 4: Simplify right side
303,756.10x = 47,420,502,944.42 - Step 5: Solve for x
x = 47,420,502,944.42/303,756.10 - Step 6: Final answer
x = 156,113.75
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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.