Finding the Fourth Proportional to 172,801.13, 238,465.55 and 97,349.63
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Solution
The fourth proportional to 172,801.13, 238,465.55 and 97,349.63 is: 134,342.48
Step by Step Solution
- Step 1: Write the proportion equation
172,801.13 : 238,465.55 = 97,349.63 : x - Step 2: Convert to fraction form
172,801.13/238,465.55 = 97,349.63/x - Step 3: Cross multiply
172,801.13x = 238,465.55 × 97,349.63 - Step 4: Simplify right side
172,801.13x = 23,214,532,111.29 - Step 5: Solve for x
x = 23,214,532,111.29/172,801.13 - Step 6: Final answer
x = 134,342.48
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1.5x scale
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.