Finding the Fourth Proportional to 292,437.06, 438,671.61 and 92,742.99
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Solution
The fourth proportional to 292,437.06, 438,671.61 and 92,742.99 is: 139,119.57
Step by Step Solution
- Step 1: Write the proportion equation
292,437.06 : 438,671.61 = 92,742.99 : x - Step 2: Convert to fraction form
292,437.06/438,671.61 = 92,742.99/x - Step 3: Cross multiply
292,437.06x = 438,671.61 × 92,742.99 - Step 4: Simplify right side
292,437.06x = 40,683,716,739.51 - Step 5: Solve for x
x = 40,683,716,739.51/292,437.06 - Step 6: Final answer
x = 139,119.57
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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.