Finding the Fourth Proportional to 197,948.24, 272,802.20 and 140,590.06
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Solution
The fourth proportional to 197,948.24, 272,802.20 and 140,590.06 is: 193,754.07
Step by Step Solution
- Step 1: Write the proportion equation
197,948.24 : 272,802.20 = 140,590.06 : x - Step 2: Convert to fraction form
197,948.24/272,802.20 = 140,590.06/x - Step 3: Cross multiply
197,948.24x = 272,802.20 × 140,590.06 - Step 4: Simplify right side
197,948.24x = 38,353,277,666.13 - Step 5: Solve for x
x = 38,353,277,666.13/197,948.24 - Step 6: Final answer
x = 193,754.07
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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.