Finding the Fourth Proportional to 343,750.74, 474,368.91 and 190,780.01
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Solution
The fourth proportional to 343,750.74, 474,368.91 and 190,780.01 is: 263,272.47
Step by Step Solution
- Step 1: Write the proportion equation
343,750.74 : 474,368.91 = 190,780.01 : x - Step 2: Convert to fraction form
343,750.74/474,368.91 = 190,780.01/x - Step 3: Cross multiply
343,750.74x = 474,368.91 × 190,780.01 - Step 4: Simplify right side
343,750.74x = 90,500,104,085.10 - Step 5: Solve for x
x = 90,500,104,085.10/343,750.74 - Step 6: Final answer
x = 263,272.47
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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.