Finding the Fourth Proportional to 146,587.80, 219,881.70 and 63,643.80
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Solution
The fourth proportional to 146,587.80, 219,881.70 and 63,643.80 is: 95,465.70
Step by Step Solution
- Step 1: Write the proportion equation
146,587.80 : 219,881.70 = 63,643.80 : x - Step 2: Convert to fraction form
146,587.80/219,881.70 = 63,643.80/x - Step 3: Cross multiply
146,587.80x = 219,881.70 × 63,643.80 - Step 4: Simplify right side
146,587.80x = 13,994,106,938.46 - Step 5: Solve for x
x = 13,994,106,938.46/146,587.80 - Step 6: Final answer
x = 95,465.70
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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.