Finding the Fourth Proportional to 340,675.39, 470,027.97 and 197,407.75
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Solution
The fourth proportional to 340,675.39, 470,027.97 and 197,407.75 is: 272,362.39
Step by Step Solution
- Step 1: Write the proportion equation
340,675.39 : 470,027.97 = 197,407.75 : x - Step 2: Convert to fraction form
340,675.39/470,027.97 = 197,407.75/x - Step 3: Cross multiply
340,675.39x = 470,027.97 × 197,407.75 - Step 4: Simplify right side
340,675.39x = 92,787,163,994.77 - Step 5: Solve for x
x = 92,787,163,994.77/340,675.39 - Step 6: Final answer
x = 272,362.39
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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.