Finding the Fourth Proportional to 156,824.82, 216,370.58 and 88,830.99
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Solution
The fourth proportional to 156,824.82, 216,370.58 and 88,830.99 is: 122,559.76
Step by Step Solution
- Step 1: Write the proportion equation
156,824.82 : 216,370.58 = 88,830.99 : x - Step 2: Convert to fraction form
156,824.82/216,370.58 = 88,830.99/x - Step 3: Cross multiply
156,824.82x = 216,370.58 × 88,830.99 - Step 4: Simplify right side
156,824.82x = 19,220,412,384.12 - Step 5: Solve for x
x = 19,220,412,384.12/156,824.82 - Step 6: Final answer
x = 122,559.76
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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.