Finding the Fourth Proportional to 439,632.47, 606,703.68 and 246,038.67
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Solution
The fourth proportional to 439,632.47, 606,703.68 and 246,038.67 is: 339,539.45
Step by Step Solution
- Step 1: Write the proportion equation
439,632.47 : 606,703.68 = 246,038.67 : x - Step 2: Convert to fraction form
439,632.47/606,703.68 = 246,038.67/x - Step 3: Cross multiply
439,632.47x = 606,703.68 × 246,038.67 - Step 4: Simplify right side
439,632.47x = 149,272,566,511.31 - Step 5: Solve for x
x = 149,272,566,511.31/439,632.47 - Step 6: Final answer
x = 339,539.45
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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.