Finding the Fourth Proportional to 149,746.40, 206,482.16 and 102,027.68
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Solution
The fourth proportional to 149,746.40, 206,482.16 and 102,027.68 is: 140,683.82
Step by Step Solution
- Step 1: Write the proportion equation
149,746.40 : 206,482.16 = 102,027.68 : x - Step 2: Convert to fraction form
149,746.40/206,482.16 = 102,027.68/x - Step 3: Cross multiply
149,746.40x = 206,482.16 × 102,027.68 - Step 4: Simplify right side
149,746.40x = 21,066,895,746.19 - Step 5: Solve for x
x = 21,066,895,746.19/149,746.40 - Step 6: Final answer
x = 140,683.82
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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.