Finding the Fourth Proportional to 180,586.24, 249,332.16 and 112,629.76
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Solution
The fourth proportional to 180,586.24, 249,332.16 and 112,629.76 is: 155,505.88
Step by Step Solution
- Step 1: Write the proportion equation
180,586.24 : 249,332.16 = 112,629.76 : x - Step 2: Convert to fraction form
180,586.24/249,332.16 = 112,629.76/x - Step 3: Cross multiply
180,586.24x = 249,332.16 × 112,629.76 - Step 4: Simplify right side
180,586.24x = 28,082,221,341.08 - Step 5: Solve for x
x = 28,082,221,341.08/180,586.24 - Step 6: Final answer
x = 155,505.88
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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.