Finding the Fourth Proportional to 368,751.87, 508,887.15 and 207,612.78
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Solution
The fourth proportional to 368,751.87, 508,887.15 and 207,612.78 is: 286,511.02
Step by Step Solution
- Step 1: Write the proportion equation
368,751.87 : 508,887.15 = 207,612.78 : x - Step 2: Convert to fraction form
368,751.87/508,887.15 = 207,612.78/x - Step 3: Cross multiply
368,751.87x = 508,887.15 × 207,612.78 - Step 4: Simplify right side
368,751.87x = 105,651,475,917.78 - Step 5: Solve for x
x = 105,651,475,917.78/368,751.87 - Step 6: Final answer
x = 286,511.02
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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.