Finding the Fourth Proportional to 304,430.93, 456,636.98 and 144,621.90
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Solution
The fourth proportional to 304,430.93, 456,636.98 and 144,621.90 is: 216,928.38
Step by Step Solution
- Step 1: Write the proportion equation
304,430.93 : 456,636.98 = 144,621.90 : x - Step 2: Convert to fraction form
304,430.93/456,636.98 = 144,621.90/x - Step 3: Cross multiply
304,430.93x = 456,636.98 × 144,621.90 - Step 4: Simplify right side
304,430.93x = 66,039,706,934.75 - Step 5: Solve for x
x = 66,039,706,934.75/304,430.93 - Step 6: Final answer
x = 216,928.38
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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.