Finding the Fourth Proportional to 149,830.80, 224,746.20 and 135,085.20
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Solution
The fourth proportional to 149,830.80, 224,746.20 and 135,085.20 is: 202,627.80
Step by Step Solution
- Step 1: Write the proportion equation
149,830.80 : 224,746.20 = 135,085.20 : x - Step 2: Convert to fraction form
149,830.80/224,746.20 = 135,085.20/x - Step 3: Cross multiply
149,830.80x = 224,746.20 × 135,085.20 - Step 4: Simplify right side
149,830.80x = 30,359,885,376.24 - Step 5: Solve for x
x = 30,359,885,376.24/149,830.80 - Step 6: Final answer
x = 202,627.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.