Finding the Fourth Proportional to 343,753.74, 474,373.05 and 190,783.02
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Solution
The fourth proportional to 343,753.74, 474,373.05 and 190,783.02 is: 263,276.62
Step by Step Solution
- Step 1: Write the proportion equation
343,753.74 : 474,373.05 = 190,783.02 : x - Step 2: Convert to fraction form
343,753.74/474,373.05 = 190,783.02/x - Step 3: Cross multiply
343,753.74x = 474,373.05 × 190,783.02 - Step 4: Simplify right side
343,753.74x = 90,502,323,085.61 - Step 5: Solve for x
x = 90,502,323,085.61/343,753.74 - Step 6: Final answer
x = 263,276.62
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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.