Finding the Fourth Proportional to 417,893.84, 576,252.60 and 296,909.12
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Solution
The fourth proportional to 417,893.84, 576,252.60 and 296,909.12 is: 409,421.33
Step by Step Solution
- Step 1: Write the proportion equation
417,893.84 : 576,252.60 = 296,909.12 : x - Step 2: Convert to fraction form
417,893.84/576,252.60 = 296,909.12/x - Step 3: Cross multiply
417,893.84x = 576,252.60 × 296,909.12 - Step 4: Simplify right side
417,893.84x = 171,094,652,363.71 - Step 5: Solve for x
x = 171,094,652,363.71/417,893.84 - Step 6: Final answer
x = 409,421.33
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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.