Finding the Fourth Proportional to 615,225.18, 849,009.60 and 343,276.68
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Solution
The fourth proportional to 615,225.18, 849,009.60 and 343,276.68 is: 473,721.18
Step by Step Solution
- Step 1: Write the proportion equation
615,225.18 : 849,009.60 = 343,276.68 : x - Step 2: Convert to fraction form
615,225.18/849,009.60 = 343,276.68/x - Step 3: Cross multiply
615,225.18x = 849,009.60 × 343,276.68 - Step 4: Simplify right side
615,225.18x = 291,445,196,776.13 - Step 5: Solve for x
x = 291,445,196,776.13/615,225.18 - Step 6: Final answer
x = 473,721.18
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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.