Finding the Fourth Proportional to 411,397.84, 567,781.60 and 230,119.84
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Solution
The fourth proportional to 411,397.84, 567,781.60 and 230,119.84 is: 317,594.79
Step by Step Solution
- Step 1: Write the proportion equation
411,397.84 : 567,781.60 = 230,119.84 : x - Step 2: Convert to fraction form
411,397.84/567,781.60 = 230,119.84/x - Step 3: Cross multiply
411,397.84x = 567,781.60 × 230,119.84 - Step 4: Simplify right side
411,397.84x = 130,657,810,946.94 - Step 5: Solve for x
x = 130,657,810,946.94/411,397.84 - Step 6: Final answer
x = 317,594.79
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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.