Finding the Fourth Proportional to 453,056.74, 625,220.62 and 249,120.80
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Solution
The fourth proportional to 453,056.74, 625,220.62 and 249,120.80 is: 343,787.98
Step by Step Solution
- Step 1: Write the proportion equation
453,056.74 : 625,220.62 = 249,120.80 : x - Step 2: Convert to fraction form
453,056.74/625,220.62 = 249,120.80/x - Step 3: Cross multiply
453,056.74x = 625,220.62 × 249,120.80 - Step 4: Simplify right side
453,056.74x = 155,755,461,030.90 - Step 5: Solve for x
x = 155,755,461,030.90/453,056.74 - Step 6: Final answer
x = 343,787.98
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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.