Finding the Fourth Proportional to 368,493.12, 508,479.30 and 207,344.88
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Solution
The fourth proportional to 368,493.12, 508,479.30 and 207,344.88 is: 286,112.75
Step by Step Solution
- Step 1: Write the proportion equation
368,493.12 : 508,479.30 = 207,344.88 : x - Step 2: Convert to fraction form
368,493.12/508,479.30 = 207,344.88/x - Step 3: Cross multiply
368,493.12x = 508,479.30 × 207,344.88 - Step 4: Simplify right side
368,493.12x = 105,430,579,440.98 - Step 5: Solve for x
x = 105,430,579,440.98/368,493.12 - Step 6: Final answer
x = 286,112.75
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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.