Finding the Fourth Proportional to 537,782.44, 742,124.28 and 308,332.12
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Solution
The fourth proportional to 537,782.44, 742,124.28 and 308,332.12 is: 425,489.45
Step by Step Solution
- Step 1: Write the proportion equation
537,782.44 : 742,124.28 = 308,332.12 : x - Step 2: Convert to fraction form
537,782.44/742,124.28 = 308,332.12/x - Step 3: Cross multiply
537,782.44x = 742,124.28 × 308,332.12 - Step 4: Simplify right side
537,782.44x = 228,820,752,555.87 - Step 5: Solve for x
x = 228,820,752,555.87/537,782.44 - Step 6: Final answer
x = 425,489.45
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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.