Finding the Fourth Proportional to 316,838.50, 437,129.49 and 180,774.70
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Solution
The fourth proportional to 316,838.50, 437,129.49 and 180,774.70 is: 249,407.67
Step by Step Solution
- Step 1: Write the proportion equation
316,838.50 : 437,129.49 = 180,774.70 : x - Step 2: Convert to fraction form
316,838.50/437,129.49 = 180,774.70/x - Step 3: Cross multiply
316,838.50x = 437,129.49 × 180,774.70 - Step 4: Simplify right side
316,838.50x = 79,021,952,415.90 - Step 5: Solve for x
x = 79,021,952,415.90/316,838.50 - Step 6: Final answer
x = 249,407.67
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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.