Finding the Fourth Proportional to 476,465.11, 657,519.94 and 272,515.74
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Solution
The fourth proportional to 476,465.11, 657,519.94 and 272,515.74 is: 376,070.62
Step by Step Solution
- Step 1: Write the proportion equation
476,465.11 : 657,519.94 = 272,515.74 : x - Step 2: Convert to fraction form
476,465.11/657,519.94 = 272,515.74/x - Step 3: Cross multiply
476,465.11x = 657,519.94 × 272,515.74 - Step 4: Simplify right side
476,465.11x = 179,184,528,363.68 - Step 5: Solve for x
x = 179,184,528,363.68/476,465.11 - Step 6: Final answer
x = 376,070.62
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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.