Finding the Fourth Proportional to 343,506.13, 474,038.66 and 209,370.13
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Solution
The fourth proportional to 343,506.13, 474,038.66 and 209,370.13 is: 288,930.90
Step by Step Solution
- Step 1: Write the proportion equation
343,506.13 : 474,038.66 = 209,370.13 : x - Step 2: Convert to fraction form
343,506.13/474,038.66 = 209,370.13/x - Step 3: Cross multiply
343,506.13x = 474,038.66 × 209,370.13 - Step 4: Simplify right side
343,506.13x = 99,249,535,869.23 - Step 5: Solve for x
x = 99,249,535,869.23/343,506.13 - Step 6: Final answer
x = 288,930.90
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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.