Finding the Fourth Proportional to 473,862.64, 654,001.68 and 290,210.80
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Solution
The fourth proportional to 473,862.64, 654,001.68 and 290,210.80 is: 400,534.53
Step by Step Solution
- Step 1: Write the proportion equation
473,862.64 : 654,001.68 = 290,210.80 : x - Step 2: Convert to fraction form
473,862.64/654,001.68 = 290,210.80/x - Step 3: Cross multiply
473,862.64x = 654,001.68 × 290,210.80 - Step 4: Simplify right side
473,862.64x = 189,798,350,754.14 - Step 5: Solve for x
x = 189,798,350,754.14/473,862.64 - Step 6: Final answer
x = 400,534.53
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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.