Finding the Fourth Proportional to 314,000.95, 471,074.93 and 103,638.68
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Solution
The fourth proportional to 314,000.95, 471,074.93 and 103,638.68 is: 155,482.28
Step by Step Solution
- Step 1: Write the proportion equation
314,000.95 : 471,074.93 = 103,638.68 : x - Step 2: Convert to fraction form
314,000.95/471,074.93 = 103,638.68/x - Step 3: Cross multiply
314,000.95x = 471,074.93 × 103,638.68 - Step 4: Simplify right side
314,000.95x = 48,821,583,926.29 - Step 5: Solve for x
x = 48,821,583,926.29/314,000.95 - Step 6: Final answer
x = 155,482.28
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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.