Finding the Fourth Proportional to 213,348.84, 294,421.95 and 117,853.08
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Solution
The fourth proportional to 213,348.84, 294,421.95 and 117,853.08 is: 162,637.55
Step by Step Solution
- Step 1: Write the proportion equation
213,348.84 : 294,421.95 = 117,853.08 : x - Step 2: Convert to fraction form
213,348.84/294,421.95 = 117,853.08/x - Step 3: Cross multiply
213,348.84x = 294,421.95 × 117,853.08 - Step 4: Simplify right side
213,348.84x = 34,698,533,627.11 - Step 5: Solve for x
x = 34,698,533,627.11/213,348.84 - Step 6: Final answer
x = 162,637.55
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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.