Finding the Fourth Proportional to 357,460.02, 536,189.68 and 91,220.54
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Solution
The fourth proportional to 357,460.02, 536,189.68 and 91,220.54 is: 136,830.72
Step by Step Solution
- Step 1: Write the proportion equation
357,460.02 : 536,189.68 = 91,220.54 : x - Step 2: Convert to fraction form
357,460.02/536,189.68 = 91,220.54/x - Step 3: Cross multiply
357,460.02x = 536,189.68 × 91,220.54 - Step 4: Simplify right side
357,460.02x = 48,911,512,152.03 - Step 5: Solve for x
x = 48,911,512,152.03/357,460.02 - Step 6: Final answer
x = 136,830.72
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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.