Finding the Fourth Proportional to 163,582.85, 245,374.35 and 74,774.07
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Solution
The fourth proportional to 163,582.85, 245,374.35 and 74,774.07 is: 112,161.14
Step by Step Solution
- Step 1: Write the proportion equation
163,582.85 : 245,374.35 = 74,774.07 : x - Step 2: Convert to fraction form
163,582.85/245,374.35 = 74,774.07/x - Step 3: Cross multiply
163,582.85x = 245,374.35 × 74,774.07 - Step 4: Simplify right side
163,582.85x = 18,347,638,823.10 - Step 5: Solve for x
x = 18,347,638,823.10/163,582.85 - Step 6: Final answer
x = 112,161.14
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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.