Finding the Fourth Proportional to 343,564.87, 474,132.19 and 207,572.54
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Solution
The fourth proportional to 343,564.87, 474,132.19 and 207,572.54 is: 286,457.76
Step by Step Solution
- Step 1: Write the proportion equation
343,564.87 : 474,132.19 = 207,572.54 : x - Step 2: Convert to fraction form
343,564.87/474,132.19 = 207,572.54/x - Step 3: Cross multiply
343,564.87x = 474,132.19 × 207,572.54 - Step 4: Simplify right side
343,564.87x = 98,416,822,195.67 - Step 5: Solve for x
x = 98,416,822,195.67/343,564.87 - Step 6: Final answer
x = 286,457.76
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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.