Finding the Fourth Proportional to 506,203.41, 698,530.71 and 279,835.41
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Solution
The fourth proportional to 506,203.41, 698,530.71 and 279,835.41 is: 386,156.28
Step by Step Solution
- Step 1: Write the proportion equation
506,203.41 : 698,530.71 = 279,835.41 : x - Step 2: Convert to fraction form
506,203.41/698,530.71 = 279,835.41/x - Step 3: Cross multiply
506,203.41x = 698,530.71 × 279,835.41 - Step 4: Simplify right side
506,203.41x = 195,473,627,630.44 - Step 5: Solve for x
x = 195,473,627,630.44/506,203.41 - Step 6: Final answer
x = 386,156.28
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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.