Finding the Fourth Proportional to 340,828.41, 470,170.35 and 260,115.80
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Solution
The fourth proportional to 340,828.41, 470,170.35 and 260,115.80 is: 358,827.88
Step by Step Solution
- Step 1: Write the proportion equation
340,828.41 : 470,170.35 = 260,115.80 : x - Step 2: Convert to fraction form
340,828.41/470,170.35 = 260,115.80/x - Step 3: Cross multiply
340,828.41x = 470,170.35 × 260,115.80 - Step 4: Simplify right side
340,828.41x = 122,298,735,425.95 - Step 5: Solve for x
x = 122,298,735,425.95/340,828.41 - Step 6: Final answer
x = 358,827.88
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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.