Finding the Fourth Proportional to 417,038.49, 575,461.62 and 296,135.73
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Solution
The fourth proportional to 417,038.49, 575,461.62 and 296,135.73 is: 408,630.74
Step by Step Solution
- Step 1: Write the proportion equation
417,038.49 : 575,461.62 = 296,135.73 : x - Step 2: Convert to fraction form
417,038.49/575,461.62 = 296,135.73/x - Step 3: Cross multiply
417,038.49x = 575,461.62 × 296,135.73 - Step 4: Simplify right side
417,038.49x = 170,414,746,925.68 - Step 5: Solve for x
x = 170,414,746,925.68/417,038.49 - Step 6: Final answer
x = 408,630.74
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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.