Finding the Fourth Proportional to 615,427.02, 849,332.07 and 343,547.98
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Solution
The fourth proportional to 615,427.02, 849,332.07 and 343,547.98 is: 474,120.09
Step by Step Solution
- Step 1: Write the proportion equation
615,427.02 : 849,332.07 = 343,547.98 : x - Step 2: Convert to fraction form
615,427.02/849,332.07 = 343,547.98/x - Step 3: Cross multiply
615,427.02x = 849,332.07 × 343,547.98 - Step 4: Simplify right side
615,427.02x = 291,786,314,874.39 - Step 5: Solve for x
x = 291,786,314,874.39/615,427.02 - Step 6: Final answer
x = 474,120.09
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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.