Finding the Fourth Proportional to 521,236.45, 719,374.08 and 291,881.08
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Solution
The fourth proportional to 521,236.45, 719,374.08 and 291,881.08 is: 402,833.85
Step by Step Solution
- Step 1: Write the proportion equation
521,236.45 : 719,374.08 = 291,881.08 : x - Step 2: Convert to fraction form
521,236.45/719,374.08 = 291,881.08/x - Step 3: Cross multiply
521,236.45x = 719,374.08 × 291,881.08 - Step 4: Simplify right side
521,236.45x = 209,971,683,394.41 - Step 5: Solve for x
x = 209,971,683,394.41/521,236.45 - Step 6: Final answer
x = 402,833.85
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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.