Finding the Fourth Proportional to 211,309.48, 316,847.58 and 86,737.96
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Solution
The fourth proportional to 211,309.48, 316,847.58 and 86,737.96 is: 130,059.06
Step by Step Solution
- Step 1: Write the proportion equation
211,309.48 : 316,847.58 = 86,737.96 : x - Step 2: Convert to fraction form
211,309.48/316,847.58 = 86,737.96/x - Step 3: Cross multiply
211,309.48x = 316,847.58 × 86,737.96 - Step 4: Simplify right side
211,309.48x = 27,482,712,720.14 - Step 5: Solve for x
x = 27,482,712,720.14/211,309.48 - Step 6: Final answer
x = 130,059.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.