Finding the Fourth Proportional to 537,803.29, 742,140.36 and 296,038.63
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Solution
The fourth proportional to 537,803.29, 742,140.36 and 296,038.63 is: 408,517.80
Step by Step Solution
- Step 1: Write the proportion equation
537,803.29 : 742,140.36 = 296,038.63 : x - Step 2: Convert to fraction form
537,803.29/742,140.36 = 296,038.63/x - Step 3: Cross multiply
537,803.29x = 742,140.36 × 296,038.63 - Step 4: Simplify right side
537,803.29x = 219,702,215,442.11 - Step 5: Solve for x
x = 219,702,215,442.11/537,803.29 - Step 6: Final answer
x = 408,517.80
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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.