Finding the Fourth Proportional to 439,070.63, 605,918.07 and 237,866.63
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Solution
The fourth proportional to 439,070.63, 605,918.07 and 237,866.63 is: 328,256.27
Step by Step Solution
- Step 1: Write the proportion equation
439,070.63 : 605,918.07 = 237,866.63 : x - Step 2: Convert to fraction form
439,070.63/605,918.07 = 237,866.63/x - Step 3: Cross multiply
439,070.63x = 605,918.07 × 237,866.63 - Step 4: Simplify right side
439,070.63x = 144,127,686,337.41 - Step 5: Solve for x
x = 144,127,686,337.41/439,070.63 - Step 6: Final answer
x = 328,256.27
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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.