Finding the Fourth Proportional to 92,395.24, 138,246.80 and 65,802.68
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Solution
The fourth proportional to 92,395.24, 138,246.80 and 65,802.68 is: 98,457.56
Step by Step Solution
- Step 1: Write the proportion equation
92,395.24 : 138,246.80 = 65,802.68 : x - Step 2: Convert to fraction form
92,395.24/138,246.80 = 65,802.68/x - Step 3: Cross multiply
92,395.24x = 138,246.80 × 65,802.68 - Step 4: Simplify right side
92,395.24x = 9,097,009,941.42 - Step 5: Solve for x
x = 9,097,009,941.42/92,395.24 - Step 6: Final answer
x = 98,457.56
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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.