Finding the Fourth Proportional to 376,921.08, 520,160.94 and 207,159.66
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Solution
The fourth proportional to 376,921.08, 520,160.94 and 207,159.66 is: 285,885.74
Step by Step Solution
- Step 1: Write the proportion equation
376,921.08 : 520,160.94 = 207,159.66 : x - Step 2: Convert to fraction form
376,921.08/520,160.94 = 207,159.66/x - Step 3: Cross multiply
376,921.08x = 520,160.94 × 207,159.66 - Step 4: Simplify right side
376,921.08x = 107,756,363,475.68 - Step 5: Solve for x
x = 107,756,363,475.68/376,921.08 - Step 6: Final answer
x = 285,885.74
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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.