Finding the Fourth Proportional to 98,259.18, 136,507.07 and 97,335.17
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Solution
The fourth proportional to 98,259.18, 136,507.07 and 97,335.17 is: 135,223.39
Step by Step Solution
- Step 1: Write the proportion equation
98,259.18 : 136,507.07 = 97,335.17 : x - Step 2: Convert to fraction form
98,259.18/136,507.07 = 97,335.17/x - Step 3: Cross multiply
98,259.18x = 136,507.07 × 97,335.17 - Step 4: Simplify right side
98,259.18x = 13,286,938,937.36 - Step 5: Solve for x
x = 13,286,938,937.36/98,259.18 - Step 6: Final answer
x = 135,223.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.