Finding the Fourth Proportional to 153,133.40, 211,309.63 and 141,848.48
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Solution
The fourth proportional to 153,133.40, 211,309.63 and 141,848.48 is: 195,737.50
Step by Step Solution
- Step 1: Write the proportion equation
153,133.40 : 211,309.63 = 141,848.48 : x - Step 2: Convert to fraction form
153,133.40/211,309.63 = 141,848.48/x - Step 3: Cross multiply
153,133.40x = 211,309.63 × 141,848.48 - Step 4: Simplify right side
153,133.40x = 29,973,949,998.52 - Step 5: Solve for x
x = 29,973,949,998.52/153,133.40 - Step 6: Final answer
x = 195,737.50
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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.