Finding the Fourth Proportional to 243,790.97, 336,296.14 and 141,804.95
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Solution
The fourth proportional to 243,790.97, 336,296.14 and 141,804.95 is: 195,612.07
Step by Step Solution
- Step 1: Write the proportion equation
243,790.97 : 336,296.14 = 141,804.95 : x - Step 2: Convert to fraction form
243,790.97/336,296.14 = 141,804.95/x - Step 3: Cross multiply
243,790.97x = 336,296.14 × 141,804.95 - Step 4: Simplify right side
243,790.97x = 47,688,455,281.90 - Step 5: Solve for x
x = 47,688,455,281.90/243,790.97 - Step 6: Final answer
x = 195,612.07
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1.5x scale
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.