Finding the Fourth Proportional to 646,669.84, 970,004.94 and 197,393.26
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Solution
The fourth proportional to 646,669.84, 970,004.94 and 197,393.26 is: 296,089.94
Step by Step Solution
- Step 1: Write the proportion equation
646,669.84 : 970,004.94 = 197,393.26 : x - Step 2: Convert to fraction form
646,669.84/970,004.94 = 197,393.26/x - Step 3: Cross multiply
646,669.84x = 970,004.94 × 197,393.26 - Step 4: Simplify right side
646,669.84x = 191,472,437,322.70 - Step 5: Solve for x
x = 191,472,437,322.70/646,669.84 - Step 6: Final answer
x = 296,089.94
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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.