Finding the Fourth Proportional to 343,395.52, 473,885.84 and 190,457.09
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Solution
The fourth proportional to 343,395.52, 473,885.84 and 190,457.09 is: 262,830.80
Step by Step Solution
- Step 1: Write the proportion equation
343,395.52 : 473,885.84 = 190,457.09 : x - Step 2: Convert to fraction form
343,395.52/473,885.84 = 190,457.09/x - Step 3: Cross multiply
343,395.52x = 473,885.84 × 190,457.09 - Step 4: Simplify right side
343,395.52x = 90,254,917,962.39 - Step 5: Solve for x
x = 90,254,917,962.39/343,395.52 - Step 6: Final answer
x = 262,830.80
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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.