Finding the Fourth Proportional to 343,385.46, 473,970.69 and 207,397.80
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Solution
The fourth proportional to 343,385.46, 473,970.69 and 207,397.80 is: 286,268.61
Step by Step Solution
- Step 1: Write the proportion equation
343,385.46 : 473,970.69 = 207,397.80 : x - Step 2: Convert to fraction form
343,385.46/473,970.69 = 207,397.80/x - Step 3: Cross multiply
343,385.46x = 473,970.69 × 207,397.80 - Step 4: Simplify right side
343,385.46x = 98,300,478,370.48 - Step 5: Solve for x
x = 98,300,478,370.48/343,385.46 - Step 6: Final answer
x = 286,268.61
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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.