Finding the Fourth Proportional to 368,703.12, 508,790.95 and 207,552.81
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Solution
The fourth proportional to 368,703.12, 508,790.95 and 207,552.81 is: 286,411.98
Step by Step Solution
- Step 1: Write the proportion equation
368,703.12 : 508,790.95 = 207,552.81 : x - Step 2: Convert to fraction form
368,703.12/508,790.95 = 207,552.81/x - Step 3: Cross multiply
368,703.12x = 508,790.95 × 207,552.81 - Step 4: Simplify right side
368,703.12x = 105,600,991,375.07 - Step 5: Solve for x
x = 105,600,991,375.07/368,703.12 - Step 6: Final answer
x = 286,411.98
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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.