Finding the Fourth Proportional to 615,283.98, 849,090.30 and 343,349.00
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Solution
The fourth proportional to 615,283.98, 849,090.30 and 343,349.00 is: 473,820.72
Step by Step Solution
- Step 1: Write the proportion equation
615,283.98 : 849,090.30 = 343,349.00 : x - Step 2: Convert to fraction form
615,283.98/849,090.30 = 343,349.00/x - Step 3: Cross multiply
615,283.98x = 849,090.30 × 343,349.00 - Step 4: Simplify right side
615,283.98x = 291,534,301,169.25 - Step 5: Solve for x
x = 291,534,301,169.25/615,283.98 - Step 6: Final answer
x = 473,820.72
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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.