Finding the Fourth Proportional to 389,176.16, 537,062.19 and 219,409.07
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Solution
The fourth proportional to 389,176.16, 537,062.19 and 219,409.07 is: 302,784.00
Step by Step Solution
- Step 1: Write the proportion equation
389,176.16 : 537,062.19 = 219,409.07 : x - Step 2: Convert to fraction form
389,176.16/537,062.19 = 219,409.07/x - Step 3: Cross multiply
389,176.16x = 537,062.19 × 219,409.07 - Step 4: Simplify right side
389,176.16x = 117,836,312,954.75 - Step 5: Solve for x
x = 117,836,312,954.75/389,176.16 - Step 6: Final answer
x = 302,784.00
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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.