Finding the Fourth Proportional to 368,205.12, 508,141.44 and 207,110.88
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Solution
The fourth proportional to 368,205.12, 508,141.44 and 207,110.88 is: 285,823.35
Step by Step Solution
- Step 1: Write the proportion equation
368,205.12 : 508,141.44 = 207,110.88 : x - Step 2: Convert to fraction form
368,205.12/508,141.44 = 207,110.88/x - Step 3: Cross multiply
368,205.12x = 508,141.44 × 207,110.88 - Step 4: Simplify right side
368,205.12x = 105,241,620,802.87 - Step 5: Solve for x
x = 105,241,620,802.87/368,205.12 - Step 6: Final answer
x = 285,823.35
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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.