Finding the Fourth Proportional to 236,960,268.80, 355,440,403.20 and 129,464,844.80
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Solution
The fourth proportional to 236,960,268.80, 355,440,403.20 and 129,464,844.80 is: 194,197,267.20
Step by Step Solution
- Step 1: Write the proportion equation
236,960,268.80 : 355,440,403.20 = 129,464,844.80 : x - Step 2: Convert to fraction form
236,960,268.80/355,440,403.20 = 129,464,844.80/x - Step 3: Cross multiply
236,960,268.80x = 355,440,403.20 × 129,464,844.80 - Step 4: Simplify right side
236,960,268.80x = 46,017,036,635,937,424 - Step 5: Solve for x
x = 46,017,036,635,937,424/236,960,268.80 - Step 6: Final answer
x = 194,197,267.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.