Finding the Fourth Proportional to 381,566.65, 572,430.93 and 144,904.09
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Solution
The fourth proportional to 381,566.65, 572,430.93 and 144,904.09 is: 217,386.88
Step by Step Solution
- Step 1: Write the proportion equation
381,566.65 : 572,430.93 = 144,904.09 : x - Step 2: Convert to fraction form
381,566.65/572,430.93 = 144,904.09/x - Step 3: Cross multiply
381,566.65x = 572,430.93 × 144,904.09 - Step 4: Simplify right side
381,566.65x = 82,947,582,999.50 - Step 5: Solve for x
x = 82,947,582,999.50/381,566.65 - Step 6: Final answer
x = 217,386.88
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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.