Finding the Fourth Proportional to 310,851.14, 466,276.80 and 86,268.20
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Solution
The fourth proportional to 310,851.14, 466,276.80 and 86,268.20 is: 129,402.32
Step by Step Solution
- Step 1: Write the proportion equation
310,851.14 : 466,276.80 = 86,268.20 : x - Step 2: Convert to fraction form
310,851.14/466,276.80 = 86,268.20/x - Step 3: Cross multiply
310,851.14x = 466,276.80 × 86,268.20 - Step 4: Simplify right side
310,851.14x = 40,224,860,237.76 - Step 5: Solve for x
x = 40,224,860,237.76/310,851.14 - Step 6: Final answer
x = 129,402.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.