Finding the Fourth Proportional to 219,023.62, 302,252.60 and 118,421.62
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Solution
The fourth proportional to 219,023.62, 302,252.60 and 118,421.62 is: 163,421.84
Step by Step Solution
- Step 1: Write the proportion equation
219,023.62 : 302,252.60 = 118,421.62 : x - Step 2: Convert to fraction form
219,023.62/302,252.60 = 118,421.62/x - Step 3: Cross multiply
219,023.62x = 302,252.60 × 118,421.62 - Step 4: Simplify right side
219,023.62x = 35,793,242,541.21 - Step 5: Solve for x
x = 35,793,242,541.21/219,023.62 - Step 6: Final answer
x = 163,421.84
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1.5x scale
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.