Finding the Fourth Proportional to 399,967.76, 552,094.56 and 230,269.52
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Solution
The fourth proportional to 399,967.76, 552,094.56 and 230,269.52 is: 317,851.99
Step by Step Solution
- Step 1: Write the proportion equation
399,967.76 : 552,094.56 = 230,269.52 : x - Step 2: Convert to fraction form
399,967.76/552,094.56 = 230,269.52/x - Step 3: Cross multiply
399,967.76x = 552,094.56 × 230,269.52 - Step 4: Simplify right side
399,967.76x = 127,130,549,325.81 - Step 5: Solve for x
x = 127,130,549,325.81/399,967.76 - Step 6: Final answer
x = 317,851.99
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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.