Finding the Fourth Proportional to 314,282.77, 471,421.58 and 208,141.74
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Solution
The fourth proportional to 314,282.77, 471,421.58 and 208,141.74 is: 312,210.90
Step by Step Solution
- Step 1: Write the proportion equation
314,282.77 : 471,421.58 = 208,141.74 : x - Step 2: Convert to fraction form
314,282.77/471,421.58 = 208,141.74/x - Step 3: Cross multiply
314,282.77x = 471,421.58 × 208,141.74 - Step 4: Simplify right side
314,282.77x = 98,122,506,894.04 - Step 5: Solve for x
x = 98,122,506,894.04/314,282.77 - Step 6: Final answer
x = 312,210.90
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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.