Finding the Fourth Proportional to 343,373.40, 514,622.70 and 249,769.80
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Solution
The fourth proportional to 343,373.40, 514,622.70 and 249,769.80 is: 374,336.54
Step by Step Solution
- Step 1: Write the proportion equation
343,373.40 : 514,622.70 = 249,769.80 : x - Step 2: Convert to fraction form
343,373.40/514,622.70 = 249,769.80/x - Step 3: Cross multiply
343,373.40x = 514,622.70 × 249,769.80 - Step 4: Simplify right side
343,373.40x = 128,537,208,854.46 - Step 5: Solve for x
x = 128,537,208,854.46/343,373.40 - Step 6: Final answer
x = 374,336.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.