Finding the Fourth Proportional to 148,937.24, 205,742.58 and 135,484.76
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Solution
The fourth proportional to 148,937.24, 205,742.58 and 135,484.76 is: 187,159.26
Step by Step Solution
- Step 1: Write the proportion equation
148,937.24 : 205,742.58 = 135,484.76 : x - Step 2: Convert to fraction form
148,937.24/205,742.58 = 135,484.76/x - Step 3: Cross multiply
148,937.24x = 205,742.58 × 135,484.76 - Step 4: Simplify right side
148,937.24x = 27,874,984,073.08 - Step 5: Solve for x
x = 27,874,984,073.08/148,937.24 - Step 6: Final answer
x = 187,159.26
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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.