Finding the Fourth Proportional to 536,923.40, 740,959.08 and 291,908.68
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Solution
The fourth proportional to 536,923.40, 740,959.08 and 291,908.68 is: 402,836.58
Step by Step Solution
- Step 1: Write the proportion equation
536,923.40 : 740,959.08 = 291,908.68 : x - Step 2: Convert to fraction form
536,923.40/740,959.08 = 291,908.68/x - Step 3: Cross multiply
536,923.40x = 740,959.08 × 291,908.68 - Step 4: Simplify right side
536,923.40x = 216,292,386,976.81 - Step 5: Solve for x
x = 216,292,386,976.81/536,923.40 - Step 6: Final answer
x = 402,836.58
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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.