Finding the Fourth Proportional to 480,129.42, 720,646.11 and 243,641.82
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Solution
The fourth proportional to 480,129.42, 720,646.11 and 243,641.82 is: 365,692.09
Step by Step Solution
- Step 1: Write the proportion equation
480,129.42 : 720,646.11 = 243,641.82 : x - Step 2: Convert to fraction form
480,129.42/720,646.11 = 243,641.82/x - Step 3: Cross multiply
480,129.42x = 720,646.11 × 243,641.82 - Step 4: Simplify right side
480,129.42x = 175,579,529,816.32 - Step 5: Solve for x
x = 175,579,529,816.32/480,129.42 - Step 6: Final answer
x = 365,692.09
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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.