Finding the Fourth Proportional to 316,772.12, 437,176.87 and 180,826.49
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Solution
The fourth proportional to 316,772.12, 437,176.87 and 180,826.49 is: 249,558.45
Step by Step Solution
- Step 1: Write the proportion equation
316,772.12 : 437,176.87 = 180,826.49 : x - Step 2: Convert to fraction form
316,772.12/437,176.87 = 180,826.49/x - Step 3: Cross multiply
316,772.12x = 437,176.87 × 180,826.49 - Step 4: Simplify right side
316,772.12x = 79,053,158,911.29 - Step 5: Solve for x
x = 79,053,158,911.29/316,772.12 - Step 6: Final answer
x = 249,558.45
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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.