Finding the Fourth Proportional to 180,461.24, 249,039.46 and 112,505.68
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Solution
The fourth proportional to 180,461.24, 249,039.46 and 112,505.68 is: 155,259.68
Step by Step Solution
- Step 1: Write the proportion equation
180,461.24 : 249,039.46 = 112,505.68 : x - Step 2: Convert to fraction form
180,461.24/249,039.46 = 112,505.68/x - Step 3: Cross multiply
180,461.24x = 249,039.46 × 112,505.68 - Step 4: Simplify right side
180,461.24x = 28,018,353,794.13 - Step 5: Solve for x
x = 28,018,353,794.13/180,461.24 - Step 6: Final answer
x = 155,259.68
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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.