Finding the Fourth Proportional to 411,159.12, 567,368.28 and 249,991.80
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Solution
The fourth proportional to 411,159.12, 567,368.28 and 249,991.80 is: 344,969.65
Step by Step Solution
- Step 1: Write the proportion equation
411,159.12 : 567,368.28 = 249,991.80 : x - Step 2: Convert to fraction form
411,159.12/567,368.28 = 249,991.80/x - Step 3: Cross multiply
411,159.12x = 567,368.28 × 249,991.80 - Step 4: Simplify right side
411,159.12x = 141,837,417,580.10 - Step 5: Solve for x
x = 141,837,417,580.10/411,159.12 - Step 6: Final answer
x = 344,969.65
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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.