Finding the Fourth Proportional to 314,590.08, 433,756.98 and 257,016.09
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Solution
The fourth proportional to 314,590.08, 433,756.98 and 257,016.09 is: 354,373.93
Step by Step Solution
- Step 1: Write the proportion equation
314,590.08 : 433,756.98 = 257,016.09 : x - Step 2: Convert to fraction form
314,590.08/433,756.98 = 257,016.09/x - Step 3: Cross multiply
314,590.08x = 433,756.98 × 257,016.09 - Step 4: Simplify right side
314,590.08x = 111,482,523,009.81 - Step 5: Solve for x
x = 111,482,523,009.81/314,590.08 - Step 6: Final answer
x = 354,373.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.