Finding the Fourth Proportional to 156,988.90, 235,483.35 and 155,512.68
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Solution
The fourth proportional to 156,988.90, 235,483.35 and 155,512.68 is: 233,269.02
Step by Step Solution
- Step 1: Write the proportion equation
156,988.90 : 235,483.35 = 155,512.68 : x - Step 2: Convert to fraction form
156,988.90/235,483.35 = 155,512.68/x - Step 3: Cross multiply
156,988.90x = 235,483.35 × 155,512.68 - Step 4: Simplify right side
156,988.90x = 36,620,646,853.88 - Step 5: Solve for x
x = 36,620,646,853.88/156,988.90 - Step 6: Final answer
x = 233,269.02
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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.