Finding the Fourth Proportional to 399,881.80, 598,364.70 and 294,905.80
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Solution
The fourth proportional to 399,881.80, 598,364.70 and 294,905.80 is: 441,283.45
Step by Step Solution
- Step 1: Write the proportion equation
399,881.80 : 598,364.70 = 294,905.80 : x - Step 2: Convert to fraction form
399,881.80/598,364.70 = 294,905.80/x - Step 3: Cross multiply
399,881.80x = 598,364.70 × 294,905.80 - Step 4: Simplify right side
399,881.80x = 176,461,220,545.26 - Step 5: Solve for x
x = 176,461,220,545.26/399,881.80 - Step 6: Final answer
x = 441,283.45
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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.