Finding the Fourth Proportional to 612,482.28, 845,209.80 and 340,536.12
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Solution
The fourth proportional to 612,482.28, 845,209.80 and 340,536.12 is: 469,931.09
Step by Step Solution
- Step 1: Write the proportion equation
612,482.28 : 845,209.80 = 340,536.12 : x - Step 2: Convert to fraction form
612,482.28/845,209.80 = 340,536.12/x - Step 3: Cross multiply
612,482.28x = 845,209.80 × 340,536.12 - Step 4: Simplify right side
612,482.28x = 287,824,465,877.98 - Step 5: Solve for x
x = 287,824,465,877.98/612,482.28 - Step 6: Final answer
x = 469,931.09
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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.