Finding the Fourth Proportional to 434,547.40, 651,821.10 and 292,829.80
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Solution
The fourth proportional to 434,547.40, 651,821.10 and 292,829.80 is: 439,244.70
Step by Step Solution
- Step 1: Write the proportion equation
434,547.40 : 651,821.10 = 292,829.80 : x - Step 2: Convert to fraction form
434,547.40/651,821.10 = 292,829.80/x - Step 3: Cross multiply
434,547.40x = 651,821.10 × 292,829.80 - Step 4: Simplify right side
434,547.40x = 190,872,642,348.78 - Step 5: Solve for x
x = 190,872,642,348.78/434,547.40 - Step 6: Final answer
x = 439,244.70
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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.