Finding the Fourth Proportional to 437,364.45, 603,565.74 and 243,784.44
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Solution
The fourth proportional to 437,364.45, 603,565.74 and 243,784.44 is: 336,424.09
Step by Step Solution
- Step 1: Write the proportion equation
437,364.45 : 603,565.74 = 243,784.44 : x - Step 2: Convert to fraction form
437,364.45/603,565.74 = 243,784.44/x - Step 3: Cross multiply
437,364.45x = 603,565.74 × 243,784.44 - Step 4: Simplify right side
437,364.45x = 147,139,935,929.09 - Step 5: Solve for x
x = 147,139,935,929.09/437,364.45 - Step 6: Final answer
x = 336,424.09
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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.