Finding the Fourth Proportional to 403,353.84, 604,889.64 and 118,968.88
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Solution
The fourth proportional to 403,353.84, 604,889.64 and 118,968.88 is: 178,411.70
Step by Step Solution
- Step 1: Write the proportion equation
403,353.84 : 604,889.64 = 118,968.88 : x - Step 2: Convert to fraction form
403,353.84/604,889.64 = 118,968.88/x - Step 3: Cross multiply
403,353.84x = 604,889.64 × 118,968.88 - Step 4: Simplify right side
403,353.84x = 71,963,042,994.40 - Step 5: Solve for x
x = 71,963,042,994.40/403,353.84 - Step 6: Final answer
x = 178,411.70
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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.