Finding the Fourth Proportional to 549,343.41, 758,022.02 and 316,778.94
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Solution
The fourth proportional to 549,343.41, 758,022.02 and 316,778.94 is: 437,113.48
Step by Step Solution
- Step 1: Write the proportion equation
549,343.41 : 758,022.02 = 316,778.94 : x - Step 2: Convert to fraction form
549,343.41/758,022.02 = 316,778.94/x - Step 3: Cross multiply
549,343.41x = 758,022.02 × 316,778.94 - Step 4: Simplify right side
549,343.41x = 240,125,411,992.26 - Step 5: Solve for x
x = 240,125,411,992.26/549,343.41 - Step 6: Final answer
x = 437,113.48
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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.