Finding the Fourth Proportional to 291,878.96, 437,840.04 and 104,892.08
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Solution
The fourth proportional to 291,878.96, 437,840.04 and 104,892.08 is: 157,345.88
Step by Step Solution
- Step 1: Write the proportion equation
291,878.96 : 437,840.04 = 104,892.08 : x - Step 2: Convert to fraction form
291,878.96/437,840.04 = 104,892.08/x - Step 3: Cross multiply
291,878.96x = 437,840.04 × 104,892.08 - Step 4: Simplify right side
291,878.96x = 45,925,952,502.88 - Step 5: Solve for x
x = 45,925,952,502.88/291,878.96 - Step 6: Final answer
x = 157,345.88
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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.