Finding the Fourth Proportional to 197,547.12, 272,615.04 and 106,903.09
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Solution
The fourth proportional to 197,547.12, 272,615.04 and 106,903.09 is: 147,526.27
Step by Step Solution
- Step 1: Write the proportion equation
197,547.12 : 272,615.04 = 106,903.09 : x - Step 2: Convert to fraction form
197,547.12/272,615.04 = 106,903.09/x - Step 3: Cross multiply
197,547.12x = 272,615.04 × 106,903.09 - Step 4: Simplify right side
197,547.12x = 29,143,388,258.88 - Step 5: Solve for x
x = 29,143,388,258.88/197,547.12 - Step 6: Final answer
x = 147,526.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.