Finding the Fourth Proportional to 418,033.35, 576,866.68 and 236,746.58
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Solution
The fourth proportional to 418,033.35, 576,866.68 and 236,746.58 is: 326,699.32
Step by Step Solution
- Step 1: Write the proportion equation
418,033.35 : 576,866.68 = 236,746.58 : x - Step 2: Convert to fraction form
418,033.35/576,866.68 = 236,746.58/x - Step 3: Cross multiply
418,033.35x = 576,866.68 × 236,746.58 - Step 4: Simplify right side
418,033.35x = 136,571,210,129.76 - Step 5: Solve for x
x = 136,571,210,129.76/418,033.35 - Step 6: Final answer
x = 326,699.32
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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.