Finding the Fourth Proportional to 340,916.58, 470,269.80 and 213,370.74
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Solution
The fourth proportional to 340,916.58, 470,269.80 and 213,370.74 is: 294,329.53
Step by Step Solution
- Step 1: Write the proportion equation
340,916.58 : 470,269.80 = 213,370.74 : x - Step 2: Convert to fraction form
340,916.58/470,269.80 = 213,370.74/x - Step 3: Cross multiply
340,916.58x = 470,269.80 × 213,370.74 - Step 4: Simplify right side
340,916.58x = 100,341,815,225.65 - Step 5: Solve for x
x = 100,341,815,225.65/340,916.58 - Step 6: Final answer
x = 294,329.53
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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.