Finding the Fourth Proportional to 368,511.24, 508,539.60 and 207,366.20
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Solution
The fourth proportional to 368,511.24, 508,539.60 and 207,366.20 is: 286,162.03
Step by Step Solution
- Step 1: Write the proportion equation
368,511.24 : 508,539.60 = 207,366.20 : x - Step 2: Convert to fraction form
368,511.24/508,539.60 = 207,366.20/x - Step 3: Cross multiply
368,511.24x = 508,539.60 × 207,366.20 - Step 4: Simplify right side
368,511.24x = 105,453,924,401.52 - Step 5: Solve for x
x = 105,453,924,401.52/368,511.24 - Step 6: Final answer
x = 286,162.03
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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.