Finding the Fourth Proportional to 646,280.07, 968,817.19 and 219,523.92
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Solution
The fourth proportional to 646,280.07, 968,817.19 and 219,523.92 is: 329,081.09
Step by Step Solution
- Step 1: Write the proportion equation
646,280.07 : 968,817.19 = 219,523.92 : x - Step 2: Convert to fraction form
646,280.07/968,817.19 = 219,523.92/x - Step 3: Cross multiply
646,280.07x = 968,817.19 × 219,523.92 - Step 4: Simplify right side
646,280.07x = 212,678,547,312.19 - Step 5: Solve for x
x = 212,678,547,312.19/646,280.07 - Step 6: Final answer
x = 329,081.09
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1.5x scale
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.