Finding the Fourth Proportional to 615,281.74, 849,087.18 and 343,346.74
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Solution
The fourth proportional to 615,281.74, 849,087.18 and 343,346.74 is: 473,817.59
Step by Step Solution
- Step 1: Write the proportion equation
615,281.74 : 849,087.18 = 343,346.74 : x - Step 2: Convert to fraction form
615,281.74/849,087.18 = 343,346.74/x - Step 3: Cross multiply
615,281.74x = 849,087.18 × 343,346.74 - Step 4: Simplify right side
615,281.74x = 291,531,313,106.08 - Step 5: Solve for x
x = 291,531,313,106.08/615,281.74 - Step 6: Final answer
x = 473,817.59
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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.