Finding the Fourth Proportional to 357,980.08, 536,635.68 and 121,157.68
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Solution
The fourth proportional to 357,980.08, 536,635.68 and 121,157.68 is: 181,623.33
Step by Step Solution
- Step 1: Write the proportion equation
357,980.08 : 536,635.68 = 121,157.68 : x - Step 2: Convert to fraction form
357,980.08/536,635.68 = 121,157.68/x - Step 3: Cross multiply
357,980.08x = 536,635.68 × 121,157.68 - Step 4: Simplify right side
357,980.08x = 65,017,533,994.02 - Step 5: Solve for x
x = 65,017,533,994.02/357,980.08 - Step 6: Final answer
x = 181,623.33
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1.5x scale
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.