Finding the Fourth Proportional to 156,573.99, 216,070.84 and 88,590.39
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Solution
The fourth proportional to 156,573.99, 216,070.84 and 88,590.39 is: 122,254.02
Step by Step Solution
- Step 1: Write the proportion equation
156,573.99 : 216,070.84 = 88,590.39 : x - Step 2: Convert to fraction form
156,573.99/216,070.84 = 88,590.39/x - Step 3: Cross multiply
156,573.99x = 216,070.84 × 88,590.39 - Step 4: Simplify right side
156,573.99x = 19,141,799,983.23 - Step 5: Solve for x
x = 19,141,799,983.23/156,573.99 - Step 6: Final answer
x = 122,254.02
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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.