Finding the Fourth Proportional to 180,523.17, 249,129.77 and 99,950.70
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Solution
The fourth proportional to 180,523.17, 249,129.77 and 99,950.70 is: 137,936.28
Step by Step Solution
- Step 1: Write the proportion equation
180,523.17 : 249,129.77 = 99,950.70 : x - Step 2: Convert to fraction form
180,523.17/249,129.77 = 99,950.70/x - Step 3: Cross multiply
180,523.17x = 249,129.77 × 99,950.70 - Step 4: Simplify right side
180,523.17x = 24,900,694,402.59 - Step 5: Solve for x
x = 24,900,694,402.59/180,523.17 - Step 6: Final answer
x = 137,936.28
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1.5x scale
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.