Finding the Fourth Proportional to 646,574.08, 970,013.76 and 203,342.08
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Solution
The fourth proportional to 646,574.08, 970,013.76 and 203,342.08 is: 305,061.12
Step by Step Solution
- Step 1: Write the proportion equation
646,574.08 : 970,013.76 = 203,342.08 : x - Step 2: Convert to fraction form
646,574.08/970,013.76 = 203,342.08/x - Step 3: Cross multiply
646,574.08x = 970,013.76 × 203,342.08 - Step 4: Simplify right side
646,574.08x = 197,244,615,587.02 - Step 5: Solve for x
x = 197,244,615,587.02/646,574.08 - Step 6: Final answer
x = 305,061.12
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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.