Finding the Fourth Proportional to 254,478.16, 351,152.95 and 147,082.28
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Solution
The fourth proportional to 254,478.16, 351,152.95 and 147,082.28 is: 202,957.99
Step by Step Solution
- Step 1: Write the proportion equation
254,478.16 : 351,152.95 = 147,082.28 : x - Step 2: Convert to fraction form
254,478.16/351,152.95 = 147,082.28/x - Step 3: Cross multiply
254,478.16x = 351,152.95 × 147,082.28 - Step 4: Simplify right side
254,478.16x = 51,648,376,228.60 - Step 5: Solve for x
x = 51,648,376,228.60/254,478.16 - Step 6: Final answer
x = 202,957.99
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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.